Home / 8,153.39-12,231.95-2,959.26

Finding the Fourth Proportional to 8,153.39, 12,231.95 and 2,959.26

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Solution

The fourth proportional to 8,153.39, 12,231.95 and 2,959.26 is: 4,439.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.39 : 12,231.95 = 2,959.26 : x
  2. Step 2: Convert to fraction form
    8,153.39/12,231.95 = 2,959.26/x
  3. Step 3: Cross multiply
    8,153.39x = 12,231.95 × 2,959.26
  4. Step 4: Simplify right side
    8,153.39x = 36,197,505.56
  5. Step 5: Solve for x
    x = 36,197,505.56/8,153.39
  6. Step 6: Final answer
    x = 4,439.57

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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.