Home / 8,349.86-12,519.92-5,579.66

Finding the Fourth Proportional to 8,349.86, 12,519.92 and 5,579.66

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Solution

The fourth proportional to 8,349.86, 12,519.92 and 5,579.66 is: 8,366.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.86 : 12,519.92 = 5,579.66 : x
  2. Step 2: Convert to fraction form
    8,349.86/12,519.92 = 5,579.66/x
  3. Step 3: Cross multiply
    8,349.86x = 12,519.92 × 5,579.66
  4. Step 4: Simplify right side
    8,349.86x = 69,856,896.83
  5. Step 5: Solve for x
    x = 69,856,896.83/8,349.86
  6. Step 6: Final answer
    x = 8,366.24

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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.