Home / 7,972.95-11,959.94-2,426.72

Finding the Fourth Proportional to 7,972.95, 11,959.94 and 2,426.72

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Solution

The fourth proportional to 7,972.95, 11,959.94 and 2,426.72 is: 3,640.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.95 : 11,959.94 = 2,426.72 : x
  2. Step 2: Convert to fraction form
    7,972.95/11,959.94 = 2,426.72/x
  3. Step 3: Cross multiply
    7,972.95x = 11,959.94 × 2,426.72
  4. Step 4: Simplify right side
    7,972.95x = 29,023,353.66
  5. Step 5: Solve for x
    x = 29,023,353.66/7,972.95
  6. Step 6: Final answer
    x = 3,640.23

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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.