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Finding the Fourth Proportional to 4,517.58, 6,770.58 and 3,930.14

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Solution

The fourth proportional to 4,517.58, 6,770.58 and 3,930.14 is: 5,890.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,517.58 : 6,770.58 = 3,930.14 : x
  2. Step 2: Convert to fraction form
    4,517.58/6,770.58 = 3,930.14/x
  3. Step 3: Cross multiply
    4,517.58x = 6,770.58 × 3,930.14
  4. Step 4: Simplify right side
    4,517.58x = 26,609,327.28
  5. Step 5: Solve for x
    x = 26,609,327.28/4,517.58
  6. Step 6: Final answer
    x = 5,890.17

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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.