Home / 8,152.88-12,229.74-3,155.24

Finding the Fourth Proportional to 8,152.88, 12,229.74 and 3,155.24

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Solution

The fourth proportional to 8,152.88, 12,229.74 and 3,155.24 is: 4,733.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,152.88 : 12,229.74 = 3,155.24 : x
  2. Step 2: Convert to fraction form
    8,152.88/12,229.74 = 3,155.24/x
  3. Step 3: Cross multiply
    8,152.88x = 12,229.74 × 3,155.24
  4. Step 4: Simplify right side
    8,152.88x = 38,587,764.84
  5. Step 5: Solve for x
    x = 38,587,764.84/8,152.88
  6. Step 6: Final answer
    x = 4,733.02

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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.