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Finding the Fourth Proportional to 8,966.25, 12,372.84 and 4,987.22

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Solution

The fourth proportional to 8,966.25, 12,372.84 and 4,987.22 is: 6,882.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,966.25 : 12,372.84 = 4,987.22 : x
  2. Step 2: Convert to fraction form
    8,966.25/12,372.84 = 4,987.22/x
  3. Step 3: Cross multiply
    8,966.25x = 12,372.84 × 4,987.22
  4. Step 4: Simplify right side
    8,966.25x = 61,706,013.24
  5. Step 5: Solve for x
    x = 61,706,013.24/8,966.25
  6. Step 6: Final answer
    x = 6,882.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.