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Finding the Fourth Proportional to 5,930.82, 8,890.16 and 2,230.47

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Solution

The fourth proportional to 5,930.82, 8,890.16 and 2,230.47 is: 3,343.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,930.82 : 8,890.16 = 2,230.47 : x
  2. Step 2: Convert to fraction form
    5,930.82/8,890.16 = 2,230.47/x
  3. Step 3: Cross multiply
    5,930.82x = 8,890.16 × 2,230.47
  4. Step 4: Simplify right side
    5,930.82x = 19,829,224.02
  5. Step 5: Solve for x
    x = 19,829,224.02/5,930.82
  6. Step 6: Final answer
    x = 3,343.42

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1.5x scale

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.