Home / 8,442.91-12,665.85-3,248.38

Finding the Fourth Proportional to 8,442.91, 12,665.85 and 3,248.38

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Solution

The fourth proportional to 8,442.91, 12,665.85 and 3,248.38 is: 4,873.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.91 : 12,665.85 = 3,248.38 : x
  2. Step 2: Convert to fraction form
    8,442.91/12,665.85 = 3,248.38/x
  3. Step 3: Cross multiply
    8,442.91x = 12,665.85 × 3,248.38
  4. Step 4: Simplify right side
    8,442.91x = 41,143,493.82
  5. Step 5: Solve for x
    x = 41,143,493.82/8,442.91
  6. Step 6: Final answer
    x = 4,873.14

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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.