Home / 8,349.24-12,506.85-5,418.66

Finding the Fourth Proportional to 8,349.24, 12,506.85 and 5,418.66

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Solution

The fourth proportional to 8,349.24, 12,506.85 and 5,418.66 is: 8,116.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.24 : 12,506.85 = 5,418.66 : x
  2. Step 2: Convert to fraction form
    8,349.24/12,506.85 = 5,418.66/x
  3. Step 3: Cross multiply
    8,349.24x = 12,506.85 × 5,418.66
  4. Step 4: Simplify right side
    8,349.24x = 67,770,367.82
  5. Step 5: Solve for x
    x = 67,770,367.82/8,349.24
  6. Step 6: Final answer
    x = 8,116.95

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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.