Home / 8,515.28-12,773.04-3,252.72

Finding the Fourth Proportional to 8,515.28, 12,773.04 and 3,252.72

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Solution

The fourth proportional to 8,515.28, 12,773.04 and 3,252.72 is: 4,879.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.28 : 12,773.04 = 3,252.72 : x
  2. Step 2: Convert to fraction form
    8,515.28/12,773.04 = 3,252.72/x
  3. Step 3: Cross multiply
    8,515.28x = 12,773.04 × 3,252.72
  4. Step 4: Simplify right side
    8,515.28x = 41,547,122.67
  5. Step 5: Solve for x
    x = 41,547,122.67/8,515.28
  6. Step 6: Final answer
    x = 4,879.13

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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.