Home / 9,128.13-12,593.45-6,743.85

Finding the Fourth Proportional to 9,128.13, 12,593.45 and 6,743.85

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Solution

The fourth proportional to 9,128.13, 12,593.45 and 6,743.85 is: 9,304.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128.13 : 12,593.45 = 6,743.85 : x
  2. Step 2: Convert to fraction form
    9,128.13/12,593.45 = 6,743.85/x
  3. Step 3: Cross multiply
    9,128.13x = 12,593.45 × 6,743.85
  4. Step 4: Simplify right side
    9,128.13x = 84,928,323.87
  5. Step 5: Solve for x
    x = 84,928,323.87/9,128.13
  6. Step 6: Final answer
    x = 9,304.02

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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.