Home / 8,246.24-12,360.72-3,860

Finding the Fourth Proportional to 8,246.24, 12,360.72 and 3,860

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Solution

The fourth proportional to 8,246.24, 12,360.72 and 3,860 is: 5,785.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246.24 : 12,360.72 = 3,860 : x
  2. Step 2: Convert to fraction form
    8,246.24/12,360.72 = 3,860/x
  3. Step 3: Cross multiply
    8,246.24x = 12,360.72 × 3,860
  4. Step 4: Simplify right side
    8,246.24x = 47,712,379.20
  5. Step 5: Solve for x
    x = 47,712,379.20/8,246.24
  6. Step 6: Final answer
    x = 5,785.96

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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.