Home / 7,638.06-11,446.28-3,251.10

Finding the Fourth Proportional to 7,638.06, 11,446.28 and 3,251.10

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Solution

The fourth proportional to 7,638.06, 11,446.28 and 3,251.10 is: 4,872.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638.06 : 11,446.28 = 3,251.10 : x
  2. Step 2: Convert to fraction form
    7,638.06/11,446.28 = 3,251.10/x
  3. Step 3: Cross multiply
    7,638.06x = 11,446.28 × 3,251.10
  4. Step 4: Simplify right side
    7,638.06x = 37,213,000.91
  5. Step 5: Solve for x
    x = 37,213,000.91/7,638.06
  6. Step 6: Final answer
    x = 4,872.05

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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.