Home / 8,247.42-11,381.51-4,662.56

Finding the Fourth Proportional to 8,247.42, 11,381.51 and 4,662.56

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Solution

The fourth proportional to 8,247.42, 11,381.51 and 4,662.56 is: 6,434.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.42 : 11,381.51 = 4,662.56 : x
  2. Step 2: Convert to fraction form
    8,247.42/11,381.51 = 4,662.56/x
  3. Step 3: Cross multiply
    8,247.42x = 11,381.51 × 4,662.56
  4. Step 4: Simplify right side
    8,247.42x = 53,067,013.38
  5. Step 5: Solve for x
    x = 53,067,013.38/8,247.42
  6. Step 6: Final answer
    x = 6,434.38

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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.