Home / 5,399.76-7,452.29-3,275.40

Finding the Fourth Proportional to 5,399.76, 7,452.29 and 3,275.40

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Solution

The fourth proportional to 5,399.76, 7,452.29 and 3,275.40 is: 4,520.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.76 : 7,452.29 = 3,275.40 : x
  2. Step 2: Convert to fraction form
    5,399.76/7,452.29 = 3,275.40/x
  3. Step 3: Cross multiply
    5,399.76x = 7,452.29 × 3,275.40
  4. Step 4: Simplify right side
    5,399.76x = 24,409,214.29
  5. Step 5: Solve for x
    x = 24,409,214.29/5,399.76
  6. Step 6: Final answer
    x = 4,520.43

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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.