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Finding the Fourth Proportional to 5,602.13, 7,730.74 and 3,362.68

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Solution

The fourth proportional to 5,602.13, 7,730.74 and 3,362.68 is: 4,640.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,602.13 : 7,730.74 = 3,362.68 : x
  2. Step 2: Convert to fraction form
    5,602.13/7,730.74 = 3,362.68/x
  3. Step 3: Cross multiply
    5,602.13x = 7,730.74 × 3,362.68
  4. Step 4: Simplify right side
    5,602.13x = 25,996,018.65
  5. Step 5: Solve for x
    x = 25,996,018.65/5,602.13
  6. Step 6: Final answer
    x = 4,640.38

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Find fourth proportional to 2,801.06, 3,865.37 and 1,681.34
Half scale
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Double scale
Find fourth proportional to 5,603.13, 7,732.12 and 3,363.68
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.