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Finding the Fourth Proportional to 8,797.29, 13,182.16 and 5,278.65

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Solution

The fourth proportional to 8,797.29, 13,182.16 and 5,278.65 is: 7,909.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797.29 : 13,182.16 = 5,278.65 : x
  2. Step 2: Convert to fraction form
    8,797.29/13,182.16 = 5,278.65/x
  3. Step 3: Cross multiply
    8,797.29x = 13,182.16 × 5,278.65
  4. Step 4: Simplify right side
    8,797.29x = 69,584,008.88
  5. Step 5: Solve for x
    x = 69,584,008.88/8,797.29
  6. Step 6: Final answer
    x = 7,909.71

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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.