Home / 4,972.39-6,862.17-2,877.19

Finding the Fourth Proportional to 4,972.39, 6,862.17 and 2,877.19

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Solution

The fourth proportional to 4,972.39, 6,862.17 and 2,877.19 is: 3,970.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.39 : 6,862.17 = 2,877.19 : x
  2. Step 2: Convert to fraction form
    4,972.39/6,862.17 = 2,877.19/x
  3. Step 3: Cross multiply
    4,972.39x = 6,862.17 × 2,877.19
  4. Step 4: Simplify right side
    4,972.39x = 19,743,766.90
  5. Step 5: Solve for x
    x = 19,743,766.90/4,972.39
  6. Step 6: Final answer
    x = 3,970.68

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1.5x scale

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.