Home / 7,540.52-11,308.95-3,161.25

Finding the Fourth Proportional to 7,540.52, 11,308.95 and 3,161.25

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Solution

The fourth proportional to 7,540.52, 11,308.95 and 3,161.25 is: 4,741.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.52 : 11,308.95 = 3,161.25 : x
  2. Step 2: Convert to fraction form
    7,540.52/11,308.95 = 3,161.25/x
  3. Step 3: Cross multiply
    7,540.52x = 11,308.95 × 3,161.25
  4. Step 4: Simplify right side
    7,540.52x = 35,750,418.19
  5. Step 5: Solve for x
    x = 35,750,418.19/7,540.52
  6. Step 6: Final answer
    x = 4,741.11

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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.