Home / 7,380.90-10,185.39-4,023.66

Finding the Fourth Proportional to 7,380.90, 10,185.39 and 4,023.66

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Solution

The fourth proportional to 7,380.90, 10,185.39 and 4,023.66 is: 5,552.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.90 : 10,185.39 = 4,023.66 : x
  2. Step 2: Convert to fraction form
    7,380.90/10,185.39 = 4,023.66/x
  3. Step 3: Cross multiply
    7,380.90x = 10,185.39 × 4,023.66
  4. Step 4: Simplify right side
    7,380.90x = 40,982,546.33
  5. Step 5: Solve for x
    x = 40,982,546.33/7,380.90
  6. Step 6: Final answer
    x = 5,552.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.