Home / 7,614.90-11,425.98-2,686.86

Finding the Fourth Proportional to 7,614.90, 11,425.98 and 2,686.86

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Solution

The fourth proportional to 7,614.90, 11,425.98 and 2,686.86 is: 4,031.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,614.90 : 11,425.98 = 2,686.86 : x
  2. Step 2: Convert to fraction form
    7,614.90/11,425.98 = 2,686.86/x
  3. Step 3: Cross multiply
    7,614.90x = 11,425.98 × 2,686.86
  4. Step 4: Simplify right side
    7,614.90x = 30,700,008.62
  5. Step 5: Solve for x
    x = 30,700,008.62/7,614.90
  6. Step 6: Final answer
    x = 4,031.57

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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.