Home / 8,439.82-12,661.18-2,596.30

Finding the Fourth Proportional to 8,439.82, 12,661.18 and 2,596.30

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Solution

The fourth proportional to 8,439.82, 12,661.18 and 2,596.30 is: 3,894.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,439.82 : 12,661.18 = 2,596.30 : x
  2. Step 2: Convert to fraction form
    8,439.82/12,661.18 = 2,596.30/x
  3. Step 3: Cross multiply
    8,439.82x = 12,661.18 × 2,596.30
  4. Step 4: Simplify right side
    8,439.82x = 32,872,221.63
  5. Step 5: Solve for x
    x = 32,872,221.63/8,439.82
  6. Step 6: Final answer
    x = 3,894.90

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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.