Home / 7,602.12-11,404.38-2,672.04

Finding the Fourth Proportional to 7,602.12, 11,404.38 and 2,672.04

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Solution

The fourth proportional to 7,602.12, 11,404.38 and 2,672.04 is: 4,008.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,602.12 : 11,404.38 = 2,672.04 : x
  2. Step 2: Convert to fraction form
    7,602.12/11,404.38 = 2,672.04/x
  3. Step 3: Cross multiply
    7,602.12x = 11,404.38 × 2,672.04
  4. Step 4: Simplify right side
    7,602.12x = 30,472,959.54
  5. Step 5: Solve for x
    x = 30,472,959.54/7,602.12
  6. Step 6: Final answer
    x = 4,008.48

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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.