Home / 5,931.80-8,890.84-2,231.66

Finding the Fourth Proportional to 5,931.80, 8,890.84 and 2,231.66

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Solution

The fourth proportional to 5,931.80, 8,890.84 and 2,231.66 is: 3,344.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.80 : 8,890.84 = 2,231.66 : x
  2. Step 2: Convert to fraction form
    5,931.80/8,890.84 = 2,231.66/x
  3. Step 3: Cross multiply
    5,931.80x = 8,890.84 × 2,231.66
  4. Step 4: Simplify right side
    5,931.80x = 19,841,348.64
  5. Step 5: Solve for x
    x = 19,841,348.64/5,931.80
  6. Step 6: Final answer
    x = 3,344.91

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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.