Home / 8,531.74-12,788.84-3,265.52

Finding the Fourth Proportional to 8,531.74, 12,788.84 and 3,265.52

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Solution

The fourth proportional to 8,531.74, 12,788.84 and 3,265.52 is: 4,894.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,531.74 : 12,788.84 = 3,265.52 : x
  2. Step 2: Convert to fraction form
    8,531.74/12,788.84 = 3,265.52/x
  3. Step 3: Cross multiply
    8,531.74x = 12,788.84 × 3,265.52
  4. Step 4: Simplify right side
    8,531.74x = 41,762,148.85
  5. Step 5: Solve for x
    x = 41,762,148.85/8,531.74
  6. Step 6: Final answer
    x = 4,894.92

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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.