Home / 8,961.30-13,444.61-3,621.69

Finding the Fourth Proportional to 8,961.30, 13,444.61 and 3,621.69

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Solution

The fourth proportional to 8,961.30, 13,444.61 and 3,621.69 is: 5,433.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.30 : 13,444.61 = 3,621.69 : x
  2. Step 2: Convert to fraction form
    8,961.30/13,444.61 = 3,621.69/x
  3. Step 3: Cross multiply
    8,961.30x = 13,444.61 × 3,621.69
  4. Step 4: Simplify right side
    8,961.30x = 48,692,191.48
  5. Step 5: Solve for x
    x = 48,692,191.48/8,961.30
  6. Step 6: Final answer
    x = 5,433.61

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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.