Home / 8,442.29-12,664.79-2,598.90

Finding the Fourth Proportional to 8,442.29, 12,664.79 and 2,598.90

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Solution

The fourth proportional to 8,442.29, 12,664.79 and 2,598.90 is: 3,898.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.29 : 12,664.79 = 2,598.90 : x
  2. Step 2: Convert to fraction form
    8,442.29/12,664.79 = 2,598.90/x
  3. Step 3: Cross multiply
    8,442.29x = 12,664.79 × 2,598.90
  4. Step 4: Simplify right side
    8,442.29x = 32,914,522.73
  5. Step 5: Solve for x
    x = 32,914,522.73/8,442.29
  6. Step 6: Final answer
    x = 3,898.77

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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.