Home / 9,020.72-13,531.22-3,177.40

Finding the Fourth Proportional to 9,020.72, 13,531.22 and 3,177.40

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Solution

The fourth proportional to 9,020.72, 13,531.22 and 3,177.40 is: 4,766.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.72 : 13,531.22 = 3,177.40 : x
  2. Step 2: Convert to fraction form
    9,020.72/13,531.22 = 3,177.40/x
  3. Step 3: Cross multiply
    9,020.72x = 13,531.22 × 3,177.40
  4. Step 4: Simplify right side
    9,020.72x = 42,994,098.43
  5. Step 5: Solve for x
    x = 42,994,098.43/9,020.72
  6. Step 6: Final answer
    x = 4,766.15

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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.