Home / 7,614.30-11,422.86-2,687.07

Finding the Fourth Proportional to 7,614.30, 11,422.86 and 2,687.07

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Solution

The fourth proportional to 7,614.30, 11,422.86 and 2,687.07 is: 4,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,614.30 : 11,422.86 = 2,687.07 : x
  2. Step 2: Convert to fraction form
    7,614.30/11,422.86 = 2,687.07/x
  3. Step 3: Cross multiply
    7,614.30x = 11,422.86 × 2,687.07
  4. Step 4: Simplify right side
    7,614.30x = 30,694,024.42
  5. Step 5: Solve for x
    x = 30,694,024.42/7,614.30
  6. Step 6: Final answer
    x = 4,031.10

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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.