Home / 8,475.60-12,713.40-2,632.80

Finding the Fourth Proportional to 8,475.60, 12,713.40 and 2,632.80

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Solution

The fourth proportional to 8,475.60, 12,713.40 and 2,632.80 is: 3,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.60 : 12,713.40 = 2,632.80 : x
  2. Step 2: Convert to fraction form
    8,475.60/12,713.40 = 2,632.80/x
  3. Step 3: Cross multiply
    8,475.60x = 12,713.40 × 2,632.80
  4. Step 4: Simplify right side
    8,475.60x = 33,471,839.52
  5. Step 5: Solve for x
    x = 33,471,839.52/8,475.60
  6. Step 6: Final answer
    x = 3,949.20

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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.