Home / 6,614.47-9,127.79-3,630.58

Finding the Fourth Proportional to 6,614.47, 9,127.79 and 3,630.58

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Solution

The fourth proportional to 6,614.47, 9,127.79 and 3,630.58 is: 5,010.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,614.47 : 9,127.79 = 3,630.58 : x
  2. Step 2: Convert to fraction form
    6,614.47/9,127.79 = 3,630.58/x
  3. Step 3: Cross multiply
    6,614.47x = 9,127.79 × 3,630.58
  4. Step 4: Simplify right side
    6,614.47x = 33,139,170.13
  5. Step 5: Solve for x
    x = 33,139,170.13/6,614.47
  6. Step 6: Final answer
    x = 5,010.10

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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.