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Finding the Fourth Proportional to 8,652.34, 12,974.40 and 4,488.18

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Solution

The fourth proportional to 8,652.34, 12,974.40 and 4,488.18 is: 6,730.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652.34 : 12,974.40 = 4,488.18 : x
  2. Step 2: Convert to fraction form
    8,652.34/12,974.40 = 4,488.18/x
  3. Step 3: Cross multiply
    8,652.34x = 12,974.40 × 4,488.18
  4. Step 4: Simplify right side
    8,652.34x = 58,231,442.59
  5. Step 5: Solve for x
    x = 58,231,442.59/8,652.34
  6. Step 6: Final answer
    x = 6,730.14

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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.