Home / 8,247.68-11,381.76-4,521.68

Finding the Fourth Proportional to 8,247.68, 11,381.76 and 4,521.68

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Solution

The fourth proportional to 8,247.68, 11,381.76 and 4,521.68 is: 6,239.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.68 : 11,381.76 = 4,521.68 : x
  2. Step 2: Convert to fraction form
    8,247.68/11,381.76 = 4,521.68/x
  3. Step 3: Cross multiply
    8,247.68x = 11,381.76 × 4,521.68
  4. Step 4: Simplify right side
    8,247.68x = 51,464,676.56
  5. Step 5: Solve for x
    x = 51,464,676.56/8,247.68
  6. Step 6: Final answer
    x = 6,239.90

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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.