Home / 8,351.24-12,526.85-3,419.98

Finding the Fourth Proportional to 8,351.24, 12,526.85 and 3,419.98

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Solution

The fourth proportional to 8,351.24, 12,526.85 and 3,419.98 is: 5,129.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,351.24 : 12,526.85 = 3,419.98 : x
  2. Step 2: Convert to fraction form
    8,351.24/12,526.85 = 3,419.98/x
  3. Step 3: Cross multiply
    8,351.24x = 12,526.85 × 3,419.98
  4. Step 4: Simplify right side
    8,351.24x = 42,841,553.70
  5. Step 5: Solve for x
    x = 42,841,553.70/8,351.24
  6. Step 6: Final answer
    x = 5,129.97

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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.