Home / 5,319.27-7,340.76-3,195.18

Finding the Fourth Proportional to 5,319.27, 7,340.76 and 3,195.18

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Solution

The fourth proportional to 5,319.27, 7,340.76 and 3,195.18 is: 4,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.27 : 7,340.76 = 3,195.18 : x
  2. Step 2: Convert to fraction form
    5,319.27/7,340.76 = 3,195.18/x
  3. Step 3: Cross multiply
    5,319.27x = 7,340.76 × 3,195.18
  4. Step 4: Simplify right side
    5,319.27x = 23,455,049.54
  5. Step 5: Solve for x
    x = 23,455,049.54/5,319.27
  6. Step 6: Final answer
    x = 4,409.45

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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.