Home / 7,377.75-11,073.92-3,915

Finding the Fourth Proportional to 7,377.75, 11,073.92 and 3,915

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Solution

The fourth proportional to 7,377.75, 11,073.92 and 3,915 is: 5,876.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.75 : 11,073.92 = 3,915 : x
  2. Step 2: Convert to fraction form
    7,377.75/11,073.92 = 3,915/x
  3. Step 3: Cross multiply
    7,377.75x = 11,073.92 × 3,915
  4. Step 4: Simplify right side
    7,377.75x = 43,354,377.23
  5. Step 5: Solve for x
    x = 43,354,377.23/7,377.75
  6. Step 6: Final answer
    x = 5,876.37

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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.