Home / 5,605.12-7,734.58-3,247.39

Finding the Fourth Proportional to 5,605.12, 7,734.58 and 3,247.39

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Solution

The fourth proportional to 5,605.12, 7,734.58 and 3,247.39 is: 4,481.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.12 : 7,734.58 = 3,247.39 : x
  2. Step 2: Convert to fraction form
    5,605.12/7,734.58 = 3,247.39/x
  3. Step 3: Cross multiply
    5,605.12x = 7,734.58 × 3,247.39
  4. Step 4: Simplify right side
    5,605.12x = 25,117,197.75
  5. Step 5: Solve for x
    x = 25,117,197.75/5,605.12
  6. Step 6: Final answer
    x = 4,481.12

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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.