Home / 8,446.24-12,670.80-3,826.72

Finding the Fourth Proportional to 8,446.24, 12,670.80 and 3,826.72

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Solution

The fourth proportional to 8,446.24, 12,670.80 and 3,826.72 is: 5,740.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,446.24 : 12,670.80 = 3,826.72 : x
  2. Step 2: Convert to fraction form
    8,446.24/12,670.80 = 3,826.72/x
  3. Step 3: Cross multiply
    8,446.24x = 12,670.80 × 3,826.72
  4. Step 4: Simplify right side
    8,446.24x = 48,487,603.78
  5. Step 5: Solve for x
    x = 48,487,603.78/8,446.24
  6. Step 6: Final answer
    x = 5,740.73

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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.