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Finding the Fourth Proportional to 8,063.95, 12,100.54 and 3,132.95

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Solution

The fourth proportional to 8,063.95, 12,100.54 and 3,132.95 is: 4,701.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,063.95 : 12,100.54 = 3,132.95 : x
  2. Step 2: Convert to fraction form
    8,063.95/12,100.54 = 3,132.95/x
  3. Step 3: Cross multiply
    8,063.95x = 12,100.54 × 3,132.95
  4. Step 4: Simplify right side
    8,063.95x = 37,910,386.79
  5. Step 5: Solve for x
    x = 37,910,386.79/8,063.95
  6. Step 6: Final answer
    x = 4,701.22

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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.