Home / 8,219.88-12,339.03-3,292.95

Finding the Fourth Proportional to 8,219.88, 12,339.03 and 3,292.95

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Solution

The fourth proportional to 8,219.88, 12,339.03 and 3,292.95 is: 4,943.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.88 : 12,339.03 = 3,292.95 : x
  2. Step 2: Convert to fraction form
    8,219.88/12,339.03 = 3,292.95/x
  3. Step 3: Cross multiply
    8,219.88x = 12,339.03 × 3,292.95
  4. Step 4: Simplify right side
    8,219.88x = 40,631,867.46
  5. Step 5: Solve for x
    x = 40,631,867.46/8,219.88
  6. Step 6: Final answer
    x = 4,943.12

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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.