Home / 7,938.36-11,909.28-3,008.04

Finding the Fourth Proportional to 7,938.36, 11,909.28 and 3,008.04

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Solution

The fourth proportional to 7,938.36, 11,909.28 and 3,008.04 is: 4,512.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.36 : 11,909.28 = 3,008.04 : x
  2. Step 2: Convert to fraction form
    7,938.36/11,909.28 = 3,008.04/x
  3. Step 3: Cross multiply
    7,938.36x = 11,909.28 × 3,008.04
  4. Step 4: Simplify right side
    7,938.36x = 35,823,590.61
  5. Step 5: Solve for x
    x = 35,823,590.61/7,938.36
  6. Step 6: Final answer
    x = 4,512.72

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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.