Home / 5,653.38-8,480.07-3,705.13

Finding the Fourth Proportional to 5,653.38, 8,480.07 and 3,705.13

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Solution

The fourth proportional to 5,653.38, 8,480.07 and 3,705.13 is: 5,557.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.38 : 8,480.07 = 3,705.13 : x
  2. Step 2: Convert to fraction form
    5,653.38/8,480.07 = 3,705.13/x
  3. Step 3: Cross multiply
    5,653.38x = 8,480.07 × 3,705.13
  4. Step 4: Simplify right side
    5,653.38x = 31,419,761.76
  5. Step 5: Solve for x
    x = 31,419,761.76/5,653.38
  6. Step 6: Final answer
    x = 5,557.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.