Home / 8,331.15-12,493.95-2,782.96

Finding the Fourth Proportional to 8,331.15, 12,493.95 and 2,782.96

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Solution

The fourth proportional to 8,331.15, 12,493.95 and 2,782.96 is: 4,173.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.15 : 12,493.95 = 2,782.96 : x
  2. Step 2: Convert to fraction form
    8,331.15/12,493.95 = 2,782.96/x
  3. Step 3: Cross multiply
    8,331.15x = 12,493.95 × 2,782.96
  4. Step 4: Simplify right side
    8,331.15x = 34,770,121.42
  5. Step 5: Solve for x
    x = 34,770,121.42/8,331.15
  6. Step 6: Final answer
    x = 4,173.51

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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.