Home / 8,754.38-13,131.68-2,910.98

Finding the Fourth Proportional to 8,754.38, 13,131.68 and 2,910.98

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Solution

The fourth proportional to 8,754.38, 13,131.68 and 2,910.98 is: 4,366.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.38 : 13,131.68 = 2,910.98 : x
  2. Step 2: Convert to fraction form
    8,754.38/13,131.68 = 2,910.98/x
  3. Step 3: Cross multiply
    8,754.38x = 13,131.68 × 2,910.98
  4. Step 4: Simplify right side
    8,754.38x = 38,226,106.20
  5. Step 5: Solve for x
    x = 38,226,106.20/8,754.38
  6. Step 6: Final answer
    x = 4,366.51

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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.