Home / 8,681.25-13,024.15-3,754.35

Finding the Fourth Proportional to 8,681.25, 13,024.15 and 3,754.35

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Solution

The fourth proportional to 8,681.25, 13,024.15 and 3,754.35 is: 5,632.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681.25 : 13,024.15 = 3,754.35 : x
  2. Step 2: Convert to fraction form
    8,681.25/13,024.15 = 3,754.35/x
  3. Step 3: Cross multiply
    8,681.25x = 13,024.15 × 3,754.35
  4. Step 4: Simplify right side
    8,681.25x = 48,897,234.56
  5. Step 5: Solve for x
    x = 48,897,234.56/8,681.25
  6. Step 6: Final answer
    x = 5,632.51

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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.