Home / 8,151.03-12,217.10-3,759.35

Finding the Fourth Proportional to 8,151.03, 12,217.10 and 3,759.35

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Solution

The fourth proportional to 8,151.03, 12,217.10 and 3,759.35 is: 5,634.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.03 : 12,217.10 = 3,759.35 : x
  2. Step 2: Convert to fraction form
    8,151.03/12,217.10 = 3,759.35/x
  3. Step 3: Cross multiply
    8,151.03x = 12,217.10 × 3,759.35
  4. Step 4: Simplify right side
    8,151.03x = 45,928,275.00
  5. Step 5: Solve for x
    x = 45,928,275.00/8,151.03
  6. Step 6: Final answer
    x = 5,634.66

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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.