Home / 4,957.52-6,841.68-2,861.78

Finding the Fourth Proportional to 4,957.52, 6,841.68 and 2,861.78

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Solution

The fourth proportional to 4,957.52, 6,841.68 and 2,861.78 is: 3,949.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957.52 : 6,841.68 = 2,861.78 : x
  2. Step 2: Convert to fraction form
    4,957.52/6,841.68 = 2,861.78/x
  3. Step 3: Cross multiply
    4,957.52x = 6,841.68 × 2,861.78
  4. Step 4: Simplify right side
    4,957.52x = 19,579,382.99
  5. Step 5: Solve for x
    x = 19,579,382.99/4,957.52
  6. Step 6: Final answer
    x = 3,949.43

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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.