Home / 3,713.47-5,537.42-3,680.14

Finding the Fourth Proportional to 3,713.47, 5,537.42 and 3,680.14

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Solution

The fourth proportional to 3,713.47, 5,537.42 and 3,680.14 is: 5,487.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.47 : 5,537.42 = 3,680.14 : x
  2. Step 2: Convert to fraction form
    3,713.47/5,537.42 = 3,680.14/x
  3. Step 3: Cross multiply
    3,713.47x = 5,537.42 × 3,680.14
  4. Step 4: Simplify right side
    3,713.47x = 20,378,480.84
  5. Step 5: Solve for x
    x = 20,378,480.84/3,713.47
  6. Step 6: Final answer
    x = 5,487.72

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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.