Home / 7,926.12-11,889.96-2,732.40

Finding the Fourth Proportional to 7,926.12, 11,889.96 and 2,732.40

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Solution

The fourth proportional to 7,926.12, 11,889.96 and 2,732.40 is: 4,098.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.12 : 11,889.96 = 2,732.40 : x
  2. Step 2: Convert to fraction form
    7,926.12/11,889.96 = 2,732.40/x
  3. Step 3: Cross multiply
    7,926.12x = 11,889.96 × 2,732.40
  4. Step 4: Simplify right side
    7,926.12x = 32,488,126.70
  5. Step 5: Solve for x
    x = 32,488,126.70/7,926.12
  6. Step 6: Final answer
    x = 4,098.87

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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.