Home / 4,972.17-6,861.18-2,876.43

Finding the Fourth Proportional to 4,972.17, 6,861.18 and 2,876.43

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Solution

The fourth proportional to 4,972.17, 6,861.18 and 2,876.43 is: 3,969.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.17 : 6,861.18 = 2,876.43 : x
  2. Step 2: Convert to fraction form
    4,972.17/6,861.18 = 2,876.43/x
  3. Step 3: Cross multiply
    4,972.17x = 6,861.18 × 2,876.43
  4. Step 4: Simplify right side
    4,972.17x = 19,735,703.99
  5. Step 5: Solve for x
    x = 19,735,703.99/4,972.17
  6. Step 6: Final answer
    x = 3,969.23

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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.