Home / 7,612.66-11,418.94-3,915.92

Finding the Fourth Proportional to 7,612.66, 11,418.94 and 3,915.92

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Solution

The fourth proportional to 7,612.66, 11,418.94 and 3,915.92 is: 5,873.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612.66 : 11,418.94 = 3,915.92 : x
  2. Step 2: Convert to fraction form
    7,612.66/11,418.94 = 3,915.92/x
  3. Step 3: Cross multiply
    7,612.66x = 11,418.94 × 3,915.92
  4. Step 4: Simplify right side
    7,612.66x = 44,715,655.52
  5. Step 5: Solve for x
    x = 44,715,655.52/7,612.66
  6. Step 6: Final answer
    x = 5,873.85

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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.