Home / 8,290.38-12,435.84-2,744.04

Finding the Fourth Proportional to 8,290.38, 12,435.84 and 2,744.04

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Solution

The fourth proportional to 8,290.38, 12,435.84 and 2,744.04 is: 4,116.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290.38 : 12,435.84 = 2,744.04 : x
  2. Step 2: Convert to fraction form
    8,290.38/12,435.84 = 2,744.04/x
  3. Step 3: Cross multiply
    8,290.38x = 12,435.84 × 2,744.04
  4. Step 4: Simplify right side
    8,290.38x = 34,124,442.39
  5. Step 5: Solve for x
    x = 34,124,442.39/8,290.38
  6. Step 6: Final answer
    x = 4,116.15

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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.