Home / 6,637.47-9,158.45-3,983.91

Finding the Fourth Proportional to 6,637.47, 9,158.45 and 3,983.91

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Solution

The fourth proportional to 6,637.47, 9,158.45 and 3,983.91 is: 5,497.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.47 : 9,158.45 = 3,983.91 : x
  2. Step 2: Convert to fraction form
    6,637.47/9,158.45 = 3,983.91/x
  3. Step 3: Cross multiply
    6,637.47x = 9,158.45 × 3,983.91
  4. Step 4: Simplify right side
    6,637.47x = 36,486,420.62
  5. Step 5: Solve for x
    x = 36,486,420.62/6,637.47
  6. Step 6: Final answer
    x = 5,497.04

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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.