Home / 5,440.32-7,541.92-5,144.64

Finding the Fourth Proportional to 5,440.32, 7,541.92 and 5,144.64

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Solution

The fourth proportional to 5,440.32, 7,541.92 and 5,144.64 is: 7,132.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.32 : 7,541.92 = 5,144.64 : x
  2. Step 2: Convert to fraction form
    5,440.32/7,541.92 = 5,144.64/x
  3. Step 3: Cross multiply
    5,440.32x = 7,541.92 × 5,144.64
  4. Step 4: Simplify right side
    5,440.32x = 38,800,463.31
  5. Step 5: Solve for x
    x = 38,800,463.31/5,440.32
  6. Step 6: Final answer
    x = 7,132.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.