Home / 8,513.62-12,766.30-2,967.28

Finding the Fourth Proportional to 8,513.62, 12,766.30 and 2,967.28

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Solution

The fourth proportional to 8,513.62, 12,766.30 and 2,967.28 is: 4,449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513.62 : 12,766.30 = 2,967.28 : x
  2. Step 2: Convert to fraction form
    8,513.62/12,766.30 = 2,967.28/x
  3. Step 3: Cross multiply
    8,513.62x = 12,766.30 × 2,967.28
  4. Step 4: Simplify right side
    8,513.62x = 37,881,186.66
  5. Step 5: Solve for x
    x = 37,881,186.66/8,513.62
  6. Step 6: Final answer
    x = 4,449.48

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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.