Home / 7,868.24-11,793.96-4,168.16

Finding the Fourth Proportional to 7,868.24, 11,793.96 and 4,168.16

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Solution

The fourth proportional to 7,868.24, 11,793.96 and 4,168.16 is: 6,247.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.24 : 11,793.96 = 4,168.16 : x
  2. Step 2: Convert to fraction form
    7,868.24/11,793.96 = 4,168.16/x
  3. Step 3: Cross multiply
    7,868.24x = 11,793.96 × 4,168.16
  4. Step 4: Simplify right side
    7,868.24x = 49,159,112.31
  5. Step 5: Solve for x
    x = 49,159,112.31/7,868.24
  6. Step 6: Final answer
    x = 6,247.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.