Home / 5,986.62-8,972.64-3,381.66

Finding the Fourth Proportional to 5,986.62, 8,972.64 and 3,381.66

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Solution

The fourth proportional to 5,986.62, 8,972.64 and 3,381.66 is: 5,068.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986.62 : 8,972.64 = 3,381.66 : x
  2. Step 2: Convert to fraction form
    5,986.62/8,972.64 = 3,381.66/x
  3. Step 3: Cross multiply
    5,986.62x = 8,972.64 × 3,381.66
  4. Step 4: Simplify right side
    5,986.62x = 30,342,417.78
  5. Step 5: Solve for x
    x = 30,342,417.78/5,986.62
  6. Step 6: Final answer
    x = 5,068.37

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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.