Home / 8,195.13-12,292.76-2,648.47

Finding the Fourth Proportional to 8,195.13, 12,292.76 and 2,648.47

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Solution

The fourth proportional to 8,195.13, 12,292.76 and 2,648.47 is: 3,972.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.13 : 12,292.76 = 2,648.47 : x
  2. Step 2: Convert to fraction form
    8,195.13/12,292.76 = 2,648.47/x
  3. Step 3: Cross multiply
    8,195.13x = 12,292.76 × 2,648.47
  4. Step 4: Simplify right side
    8,195.13x = 32,556,981.97
  5. Step 5: Solve for x
    x = 32,556,981.97/8,195.13
  6. Step 6: Final answer
    x = 3,972.72

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1.5x scale

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.