Home / 7,217.48-9,958.44-4,384.78

Finding the Fourth Proportional to 7,217.48, 9,958.44 and 4,384.78

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Solution

The fourth proportional to 7,217.48, 9,958.44 and 4,384.78 is: 6,049.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.48 : 9,958.44 = 4,384.78 : x
  2. Step 2: Convert to fraction form
    7,217.48/9,958.44 = 4,384.78/x
  3. Step 3: Cross multiply
    7,217.48x = 9,958.44 × 4,384.78
  4. Step 4: Simplify right side
    7,217.48x = 43,665,568.54
  5. Step 5: Solve for x
    x = 43,665,568.54/7,217.48
  6. Step 6: Final answer
    x = 6,049.97

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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.