Home / 6,440.24-8,888.92-3,923.18

Finding the Fourth Proportional to 6,440.24, 8,888.92 and 3,923.18

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Solution

The fourth proportional to 6,440.24, 8,888.92 and 3,923.18 is: 5,414.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.24 : 8,888.92 = 3,923.18 : x
  2. Step 2: Convert to fraction form
    6,440.24/8,888.92 = 3,923.18/x
  3. Step 3: Cross multiply
    6,440.24x = 8,888.92 × 3,923.18
  4. Step 4: Simplify right side
    6,440.24x = 34,872,833.17
  5. Step 5: Solve for x
    x = 34,872,833.17/6,440.24
  6. Step 6: Final answer
    x = 5,414.83

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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.