Home / 5,397.49-7,449.92-3,513.78

Finding the Fourth Proportional to 5,397.49, 7,449.92 and 3,513.78

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Solution

The fourth proportional to 5,397.49, 7,449.92 and 3,513.78 is: 4,849.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.49 : 7,449.92 = 3,513.78 : x
  2. Step 2: Convert to fraction form
    5,397.49/7,449.92 = 3,513.78/x
  3. Step 3: Cross multiply
    5,397.49x = 7,449.92 × 3,513.78
  4. Step 4: Simplify right side
    5,397.49x = 26,177,395.27
  5. Step 5: Solve for x
    x = 26,177,395.27/5,397.49
  6. Step 6: Final answer
    x = 4,849.92

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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.