Home / 8,117.84-12,180.24-3,961.52

Finding the Fourth Proportional to 8,117.84, 12,180.24 and 3,961.52

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Solution

The fourth proportional to 8,117.84, 12,180.24 and 3,961.52 is: 5,943.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117.84 : 12,180.24 = 3,961.52 : x
  2. Step 2: Convert to fraction form
    8,117.84/12,180.24 = 3,961.52/x
  3. Step 3: Cross multiply
    8,117.84x = 12,180.24 × 3,961.52
  4. Step 4: Simplify right side
    8,117.84x = 48,252,264.36
  5. Step 5: Solve for x
    x = 48,252,264.36/8,117.84
  6. Step 6: Final answer
    x = 5,943.98

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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.