Home / 4,972.70-6,862.68-3,291.17

Finding the Fourth Proportional to 4,972.70, 6,862.68 and 3,291.17

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Solution

The fourth proportional to 4,972.70, 6,862.68 and 3,291.17 is: 4,542.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.70 : 6,862.68 = 3,291.17 : x
  2. Step 2: Convert to fraction form
    4,972.70/6,862.68 = 3,291.17/x
  3. Step 3: Cross multiply
    4,972.70x = 6,862.68 × 3,291.17
  4. Step 4: Simplify right side
    4,972.70x = 22,586,246.54
  5. Step 5: Solve for x
    x = 22,586,246.54/4,972.70
  6. Step 6: Final answer
    x = 4,542.05

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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.