Home / 8,442.04-12,663.30-3,251.80

Finding the Fourth Proportional to 8,442.04, 12,663.30 and 3,251.80

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Solution

The fourth proportional to 8,442.04, 12,663.30 and 3,251.80 is: 4,877.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.04 : 12,663.30 = 3,251.80 : x
  2. Step 2: Convert to fraction form
    8,442.04/12,663.30 = 3,251.80/x
  3. Step 3: Cross multiply
    8,442.04x = 12,663.30 × 3,251.80
  4. Step 4: Simplify right side
    8,442.04x = 41,178,518.94
  5. Step 5: Solve for x
    x = 41,178,518.94/8,442.04
  6. Step 6: Final answer
    x = 4,877.79

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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.