Home / 8,345.20-12,508.26-3,956.44

Finding the Fourth Proportional to 8,345.20, 12,508.26 and 3,956.44

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Solution

The fourth proportional to 8,345.20, 12,508.26 and 3,956.44 is: 5,930.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.20 : 12,508.26 = 3,956.44 : x
  2. Step 2: Convert to fraction form
    8,345.20/12,508.26 = 3,956.44/x
  3. Step 3: Cross multiply
    8,345.20x = 12,508.26 × 3,956.44
  4. Step 4: Simplify right side
    8,345.20x = 49,488,180.19
  5. Step 5: Solve for x
    x = 49,488,180.19/8,345.20
  6. Step 6: Final answer
    x = 5,930.14

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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.