Home / 8,531.15-12,795.68-2,291.66

Finding the Fourth Proportional to 8,531.15, 12,795.68 and 2,291.66

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Solution

The fourth proportional to 8,531.15, 12,795.68 and 2,291.66 is: 3,437.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,531.15 : 12,795.68 = 2,291.66 : x
  2. Step 2: Convert to fraction form
    8,531.15/12,795.68 = 2,291.66/x
  3. Step 3: Cross multiply
    8,531.15x = 12,795.68 × 2,291.66
  4. Step 4: Simplify right side
    8,531.15x = 29,323,348.03
  5. Step 5: Solve for x
    x = 29,323,348.03/8,531.15
  6. Step 6: Final answer
    x = 3,437.21

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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.