Home / 5,631.39-7,770.11-3,272.27

Finding the Fourth Proportional to 5,631.39, 7,770.11 and 3,272.27

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Solution

The fourth proportional to 5,631.39, 7,770.11 and 3,272.27 is: 4,515.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.39 : 7,770.11 = 3,272.27 : x
  2. Step 2: Convert to fraction form
    5,631.39/7,770.11 = 3,272.27/x
  3. Step 3: Cross multiply
    5,631.39x = 7,770.11 × 3,272.27
  4. Step 4: Simplify right side
    5,631.39x = 25,425,842.64
  5. Step 5: Solve for x
    x = 25,425,842.64/5,631.39
  6. Step 6: Final answer
    x = 4,515.02

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1.5x scale

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.