Home / 9,102.40-12,561.39-5,324.83

Finding the Fourth Proportional to 9,102.40, 12,561.39 and 5,324.83

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Solution

The fourth proportional to 9,102.40, 12,561.39 and 5,324.83 is: 7,348.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102.40 : 12,561.39 = 5,324.83 : x
  2. Step 2: Convert to fraction form
    9,102.40/12,561.39 = 5,324.83/x
  3. Step 3: Cross multiply
    9,102.40x = 12,561.39 × 5,324.83
  4. Step 4: Simplify right side
    9,102.40x = 66,887,234.91
  5. Step 5: Solve for x
    x = 66,887,234.91/9,102.40
  6. Step 6: Final answer
    x = 7,348.31

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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.