Home / 8,405.38-12,609.94-2,562.44

Finding the Fourth Proportional to 8,405.38, 12,609.94 and 2,562.44

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Solution

The fourth proportional to 8,405.38, 12,609.94 and 2,562.44 is: 3,844.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,405.38 : 12,609.94 = 2,562.44 : x
  2. Step 2: Convert to fraction form
    8,405.38/12,609.94 = 2,562.44/x
  3. Step 3: Cross multiply
    8,405.38x = 12,609.94 × 2,562.44
  4. Step 4: Simplify right side
    8,405.38x = 32,312,239.77
  5. Step 5: Solve for x
    x = 32,312,239.77/8,405.38
  6. Step 6: Final answer
    x = 3,844.23

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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.