Home / 8,995.28-12,414.12-5,271.44

Finding the Fourth Proportional to 8,995.28, 12,414.12 and 5,271.44

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Solution

The fourth proportional to 8,995.28, 12,414.12 and 5,271.44 is: 7,274.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.28 : 12,414.12 = 5,271.44 : x
  2. Step 2: Convert to fraction form
    8,995.28/12,414.12 = 5,271.44/x
  3. Step 3: Cross multiply
    8,995.28x = 12,414.12 × 5,271.44
  4. Step 4: Simplify right side
    8,995.28x = 65,440,288.73
  5. Step 5: Solve for x
    x = 65,440,288.73/8,995.28
  6. Step 6: Final answer
    x = 7,274.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.