Home / 8,753.20-13,108.92-5,047.68

Finding the Fourth Proportional to 8,753.20, 13,108.92 and 5,047.68

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Solution

The fourth proportional to 8,753.20, 13,108.92 and 5,047.68 is: 7,559.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.20 : 13,108.92 = 5,047.68 : x
  2. Step 2: Convert to fraction form
    8,753.20/13,108.92 = 5,047.68/x
  3. Step 3: Cross multiply
    8,753.20x = 13,108.92 × 5,047.68
  4. Step 4: Simplify right side
    8,753.20x = 66,169,633.31
  5. Step 5: Solve for x
    x = 66,169,633.31/8,753.20
  6. Step 6: Final answer
    x = 7,559.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.