Home / 9,331.24-12,877.06-5,139.24

Finding the Fourth Proportional to 9,331.24, 12,877.06 and 5,139.24

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Solution

The fourth proportional to 9,331.24, 12,877.06 and 5,139.24 is: 7,092.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.24 : 12,877.06 = 5,139.24 : x
  2. Step 2: Convert to fraction form
    9,331.24/12,877.06 = 5,139.24/x
  3. Step 3: Cross multiply
    9,331.24x = 12,877.06 × 5,139.24
  4. Step 4: Simplify right side
    9,331.24x = 66,178,301.83
  5. Step 5: Solve for x
    x = 66,178,301.83/9,331.24
  6. Step 6: Final answer
    x = 7,092.12

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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.