Home / 4,972.60-6,862.20-2,734.70

Finding the Fourth Proportional to 4,972.60, 6,862.20 and 2,734.70

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Solution

The fourth proportional to 4,972.60, 6,862.20 and 2,734.70 is: 3,773.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.60 : 6,862.20 = 2,734.70 : x
  2. Step 2: Convert to fraction form
    4,972.60/6,862.20 = 2,734.70/x
  3. Step 3: Cross multiply
    4,972.60x = 6,862.20 × 2,734.70
  4. Step 4: Simplify right side
    4,972.60x = 18,766,058.34
  5. Step 5: Solve for x
    x = 18,766,058.34/4,972.60
  6. Step 6: Final answer
    x = 3,773.89

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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.