Home / 7,685.56-10,605.96-4,328.38

Finding the Fourth Proportional to 7,685.56, 10,605.96 and 4,328.38

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Solution

The fourth proportional to 7,685.56, 10,605.96 and 4,328.38 is: 5,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685.56 : 10,605.96 = 4,328.38 : x
  2. Step 2: Convert to fraction form
    7,685.56/10,605.96 = 4,328.38/x
  3. Step 3: Cross multiply
    7,685.56x = 10,605.96 × 4,328.38
  4. Step 4: Simplify right side
    7,685.56x = 45,906,625.14
  5. Step 5: Solve for x
    x = 45,906,625.14/7,685.56
  6. Step 6: Final answer
    x = 5,973.10

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Half scale
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Double scale
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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.