Home / 7,436.25-11,148.57-3,921.66

Finding the Fourth Proportional to 7,436.25, 11,148.57 and 3,921.66

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Solution

The fourth proportional to 7,436.25, 11,148.57 and 3,921.66 is: 5,879.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.25 : 11,148.57 = 3,921.66 : x
  2. Step 2: Convert to fraction form
    7,436.25/11,148.57 = 3,921.66/x
  3. Step 3: Cross multiply
    7,436.25x = 11,148.57 × 3,921.66
  4. Step 4: Simplify right side
    7,436.25x = 43,720,901.03
  5. Step 5: Solve for x
    x = 43,720,901.03/7,436.25
  6. Step 6: Final answer
    x = 5,879.43

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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.