Home / 8,195.28-12,271.04-7,211.13

Finding the Fourth Proportional to 8,195.28, 12,271.04 and 7,211.13

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Solution

The fourth proportional to 8,195.28, 12,271.04 and 7,211.13 is: 10,797.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.28 : 12,271.04 = 7,211.13 : x
  2. Step 2: Convert to fraction form
    8,195.28/12,271.04 = 7,211.13/x
  3. Step 3: Cross multiply
    8,195.28x = 12,271.04 × 7,211.13
  4. Step 4: Simplify right side
    8,195.28x = 88,488,064.68
  5. Step 5: Solve for x
    x = 88,488,064.68/8,195.28
  6. Step 6: Final answer
    x = 10,797.44

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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.