Home / 6,231.39-9,353.32-4,478.45

Finding the Fourth Proportional to 6,231.39, 9,353.32 and 4,478.45

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Solution

The fourth proportional to 6,231.39, 9,353.32 and 4,478.45 is: 6,722.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231.39 : 9,353.32 = 4,478.45 : x
  2. Step 2: Convert to fraction form
    6,231.39/9,353.32 = 4,478.45/x
  3. Step 3: Cross multiply
    6,231.39x = 9,353.32 × 4,478.45
  4. Step 4: Simplify right side
    6,231.39x = 41,888,375.95
  5. Step 5: Solve for x
    x = 41,888,375.95/6,231.39
  6. Step 6: Final answer
    x = 6,722.16

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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.