Home / 7,447.88-11,162.23-3,937.75

Finding the Fourth Proportional to 7,447.88, 11,162.23 and 3,937.75

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Solution

The fourth proportional to 7,447.88, 11,162.23 and 3,937.75 is: 5,901.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.88 : 11,162.23 = 3,937.75 : x
  2. Step 2: Convert to fraction form
    7,447.88/11,162.23 = 3,937.75/x
  3. Step 3: Cross multiply
    7,447.88x = 11,162.23 × 3,937.75
  4. Step 4: Simplify right side
    7,447.88x = 43,954,071.18
  5. Step 5: Solve for x
    x = 43,954,071.18/7,447.88
  6. Step 6: Final answer
    x = 5,901.55

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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.