Home / 6,855.91-10,279.27-2,472.78

Finding the Fourth Proportional to 6,855.91, 10,279.27 and 2,472.78

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Solution

The fourth proportional to 6,855.91, 10,279.27 and 2,472.78 is: 3,707.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,855.91 : 10,279.27 = 2,472.78 : x
  2. Step 2: Convert to fraction form
    6,855.91/10,279.27 = 2,472.78/x
  3. Step 3: Cross multiply
    6,855.91x = 10,279.27 × 2,472.78
  4. Step 4: Simplify right side
    6,855.91x = 25,418,373.27
  5. Step 5: Solve for x
    x = 25,418,373.27/6,855.91
  6. Step 6: Final answer
    x = 3,707.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.