Home / 8,766.78-12,098.14-4,787.89

Finding the Fourth Proportional to 8,766.78, 12,098.14 and 4,787.89

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Solution

The fourth proportional to 8,766.78, 12,098.14 and 4,787.89 is: 6,607.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.78 : 12,098.14 = 4,787.89 : x
  2. Step 2: Convert to fraction form
    8,766.78/12,098.14 = 4,787.89/x
  3. Step 3: Cross multiply
    8,766.78x = 12,098.14 × 4,787.89
  4. Step 4: Simplify right side
    8,766.78x = 57,924,616.29
  5. Step 5: Solve for x
    x = 57,924,616.29/8,766.78
  6. Step 6: Final answer
    x = 6,607.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.