Home / 8,787.06-13,177.82-2,942.30

Finding the Fourth Proportional to 8,787.06, 13,177.82 and 2,942.30

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Solution

The fourth proportional to 8,787.06, 13,177.82 and 2,942.30 is: 4,412.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.06 : 13,177.82 = 2,942.30 : x
  2. Step 2: Convert to fraction form
    8,787.06/13,177.82 = 2,942.30/x
  3. Step 3: Cross multiply
    8,787.06x = 13,177.82 × 2,942.30
  4. Step 4: Simplify right side
    8,787.06x = 38,773,140.09
  5. Step 5: Solve for x
    x = 38,773,140.09/8,787.06
  6. Step 6: Final answer
    x = 4,412.53

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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.