Home / 5,631.13-7,770.96-3,147.13

Finding the Fourth Proportional to 5,631.13, 7,770.96 and 3,147.13

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Solution

The fourth proportional to 5,631.13, 7,770.96 and 3,147.13 is: 4,343.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.13 : 7,770.96 = 3,147.13 : x
  2. Step 2: Convert to fraction form
    5,631.13/7,770.96 = 3,147.13/x
  3. Step 3: Cross multiply
    5,631.13x = 7,770.96 × 3,147.13
  4. Step 4: Simplify right side
    5,631.13x = 24,456,166.75
  5. Step 5: Solve for x
    x = 24,456,166.75/5,631.13
  6. Step 6: Final answer
    x = 4,343.03

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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.