Home / 5,971.45-8,240.85-3,318.88

Finding the Fourth Proportional to 5,971.45, 8,240.85 and 3,318.88

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Solution

The fourth proportional to 5,971.45, 8,240.85 and 3,318.88 is: 4,580.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,971.45 : 8,240.85 = 3,318.88 : x
  2. Step 2: Convert to fraction form
    5,971.45/8,240.85 = 3,318.88/x
  3. Step 3: Cross multiply
    5,971.45x = 8,240.85 × 3,318.88
  4. Step 4: Simplify right side
    5,971.45x = 27,350,334.45
  5. Step 5: Solve for x
    x = 27,350,334.45/5,971.45
  6. Step 6: Final answer
    x = 4,580.19

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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.