Home / 8,155.17-12,233.78-2,888.95

Finding the Fourth Proportional to 8,155.17, 12,233.78 and 2,888.95

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Solution

The fourth proportional to 8,155.17, 12,233.78 and 2,888.95 is: 4,333.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.17 : 12,233.78 = 2,888.95 : x
  2. Step 2: Convert to fraction form
    8,155.17/12,233.78 = 2,888.95/x
  3. Step 3: Cross multiply
    8,155.17x = 12,233.78 × 2,888.95
  4. Step 4: Simplify right side
    8,155.17x = 35,342,778.73
  5. Step 5: Solve for x
    x = 35,342,778.73/8,155.17
  6. Step 6: Final answer
    x = 4,333.79

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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.