Home / 8,342.24-12,501-3,405.92

Finding the Fourth Proportional to 8,342.24, 12,501 and 3,405.92

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Solution

The fourth proportional to 8,342.24, 12,501 and 3,405.92 is: 5,103.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.24 : 12,501 = 3,405.92 : x
  2. Step 2: Convert to fraction form
    8,342.24/12,501 = 3,405.92/x
  3. Step 3: Cross multiply
    8,342.24x = 12,501 × 3,405.92
  4. Step 4: Simplify right side
    8,342.24x = 42,577,405.92
  5. Step 5: Solve for x
    x = 42,577,405.92/8,342.24
  6. Step 6: Final answer
    x = 5,103.83

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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.