Home / 5,116.49-7,637.38-4,390.73

Finding the Fourth Proportional to 5,116.49, 7,637.38 and 4,390.73

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Solution

The fourth proportional to 5,116.49, 7,637.38 and 4,390.73 is: 6,554.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.49 : 7,637.38 = 4,390.73 : x
  2. Step 2: Convert to fraction form
    5,116.49/7,637.38 = 4,390.73/x
  3. Step 3: Cross multiply
    5,116.49x = 7,637.38 × 4,390.73
  4. Step 4: Simplify right side
    5,116.49x = 33,533,673.49
  5. Step 5: Solve for x
    x = 33,533,673.49/5,116.49
  6. Step 6: Final answer
    x = 6,554.04

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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.