Home / 9,279.32-13,919-2,354.36

Finding the Fourth Proportional to 9,279.32, 13,919 and 2,354.36

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Solution

The fourth proportional to 9,279.32, 13,919 and 2,354.36 is: 3,531.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.32 : 13,919 = 2,354.36 : x
  2. Step 2: Convert to fraction form
    9,279.32/13,919 = 2,354.36/x
  3. Step 3: Cross multiply
    9,279.32x = 13,919 × 2,354.36
  4. Step 4: Simplify right side
    9,279.32x = 32,770,336.84
  5. Step 5: Solve for x
    x = 32,770,336.84/9,279.32
  6. Step 6: Final answer
    x = 3,531.55

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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.