Home / 8,500.32-12,753.84-3,819.06

Finding the Fourth Proportional to 8,500.32, 12,753.84 and 3,819.06

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Solution

The fourth proportional to 8,500.32, 12,753.84 and 3,819.06 is: 5,730.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500.32 : 12,753.84 = 3,819.06 : x
  2. Step 2: Convert to fraction form
    8,500.32/12,753.84 = 3,819.06/x
  3. Step 3: Cross multiply
    8,500.32x = 12,753.84 × 3,819.06
  4. Step 4: Simplify right side
    8,500.32x = 48,707,680.19
  5. Step 5: Solve for x
    x = 48,707,680.19/8,500.32
  6. Step 6: Final answer
    x = 5,730.10

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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.