Home / 8,716.12-12,024.66-5,175.88

Finding the Fourth Proportional to 8,716.12, 12,024.66 and 5,175.88

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Solution

The fourth proportional to 8,716.12, 12,024.66 and 5,175.88 is: 7,140.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.12 : 12,024.66 = 5,175.88 : x
  2. Step 2: Convert to fraction form
    8,716.12/12,024.66 = 5,175.88/x
  3. Step 3: Cross multiply
    8,716.12x = 12,024.66 × 5,175.88
  4. Step 4: Simplify right side
    8,716.12x = 62,238,197.20
  5. Step 5: Solve for x
    x = 62,238,197.20/8,716.12
  6. Step 6: Final answer
    x = 7,140.59

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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.