Home / 8,432.10-12,635.25-4,260.48

Finding the Fourth Proportional to 8,432.10, 12,635.25 and 4,260.48

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Solution

The fourth proportional to 8,432.10, 12,635.25 and 4,260.48 is: 6,384.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.10 : 12,635.25 = 4,260.48 : x
  2. Step 2: Convert to fraction form
    8,432.10/12,635.25 = 4,260.48/x
  3. Step 3: Cross multiply
    8,432.10x = 12,635.25 × 4,260.48
  4. Step 4: Simplify right side
    8,432.10x = 53,832,229.92
  5. Step 5: Solve for x
    x = 53,832,229.92/8,432.10
  6. Step 6: Final answer
    x = 6,384.20

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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.