Home / 9,753.20-14,630.40-3,909.05

Finding the Fourth Proportional to 9,753.20, 14,630.40 and 3,909.05

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Solution

The fourth proportional to 9,753.20, 14,630.40 and 3,909.05 is: 5,863.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,753.20 : 14,630.40 = 3,909.05 : x
  2. Step 2: Convert to fraction form
    9,753.20/14,630.40 = 3,909.05/x
  3. Step 3: Cross multiply
    9,753.20x = 14,630.40 × 3,909.05
  4. Step 4: Simplify right side
    9,753.20x = 57,190,891.97
  5. Step 5: Solve for x
    x = 57,190,891.97/9,753.20
  6. Step 6: Final answer
    x = 5,863.81

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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.