Home / 8,811.88-13,217.56-3,265.10

Finding the Fourth Proportional to 8,811.88, 13,217.56 and 3,265.10

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Solution

The fourth proportional to 8,811.88, 13,217.56 and 3,265.10 is: 4,897.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.88 : 13,217.56 = 3,265.10 : x
  2. Step 2: Convert to fraction form
    8,811.88/13,217.56 = 3,265.10/x
  3. Step 3: Cross multiply
    8,811.88x = 13,217.56 × 3,265.10
  4. Step 4: Simplify right side
    8,811.88x = 43,156,655.16
  5. Step 5: Solve for x
    x = 43,156,655.16/8,811.88
  6. Step 6: Final answer
    x = 4,897.55

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1.5x scale

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.