Home / 8,504.20-12,732.60-4,335.20

Finding the Fourth Proportional to 8,504.20, 12,732.60 and 4,335.20

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Solution

The fourth proportional to 8,504.20, 12,732.60 and 4,335.20 is: 6,490.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504.20 : 12,732.60 = 4,335.20 : x
  2. Step 2: Convert to fraction form
    8,504.20/12,732.60 = 4,335.20/x
  3. Step 3: Cross multiply
    8,504.20x = 12,732.60 × 4,335.20
  4. Step 4: Simplify right side
    8,504.20x = 55,198,367.52
  5. Step 5: Solve for x
    x = 55,198,367.52/8,504.20
  6. Step 6: Final answer
    x = 6,490.72

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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.