Home / 8,767.68-13,156.72-3,505.17

Finding the Fourth Proportional to 8,767.68, 13,156.72 and 3,505.17

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Solution

The fourth proportional to 8,767.68, 13,156.72 and 3,505.17 is: 5,259.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.68 : 13,156.72 = 3,505.17 : x
  2. Step 2: Convert to fraction form
    8,767.68/13,156.72 = 3,505.17/x
  3. Step 3: Cross multiply
    8,767.68x = 13,156.72 × 3,505.17
  4. Step 4: Simplify right side
    8,767.68x = 46,116,540.24
  5. Step 5: Solve for x
    x = 46,116,540.24/8,767.68
  6. Step 6: Final answer
    x = 5,259.83

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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.