Home / 5,970.79-8,239.11-3,318.04

Finding the Fourth Proportional to 5,970.79, 8,239.11 and 3,318.04

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Solution

The fourth proportional to 5,970.79, 8,239.11 and 3,318.04 is: 4,578.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,970.79 : 8,239.11 = 3,318.04 : x
  2. Step 2: Convert to fraction form
    5,970.79/8,239.11 = 3,318.04/x
  3. Step 3: Cross multiply
    5,970.79x = 8,239.11 × 3,318.04
  4. Step 4: Simplify right side
    5,970.79x = 27,337,655.35
  5. Step 5: Solve for x
    x = 27,337,655.35/5,970.79
  6. Step 6: Final answer
    x = 4,578.57

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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.