Home / 8,238.24-12,350.95-4,287.74

Finding the Fourth Proportional to 8,238.24, 12,350.95 and 4,287.74

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Solution

The fourth proportional to 8,238.24, 12,350.95 and 4,287.74 is: 6,428.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.24 : 12,350.95 = 4,287.74 : x
  2. Step 2: Convert to fraction form
    8,238.24/12,350.95 = 4,287.74/x
  3. Step 3: Cross multiply
    8,238.24x = 12,350.95 × 4,287.74
  4. Step 4: Simplify right side
    8,238.24x = 52,957,589.88
  5. Step 5: Solve for x
    x = 52,957,589.88/8,238.24
  6. Step 6: Final answer
    x = 6,428.27

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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.