Home / 8,439.96-12,659.70-2,596.44

Finding the Fourth Proportional to 8,439.96, 12,659.70 and 2,596.44

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Solution

The fourth proportional to 8,439.96, 12,659.70 and 2,596.44 is: 3,894.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,439.96 : 12,659.70 = 2,596.44 : x
  2. Step 2: Convert to fraction form
    8,439.96/12,659.70 = 2,596.44/x
  3. Step 3: Cross multiply
    8,439.96x = 12,659.70 × 2,596.44
  4. Step 4: Simplify right side
    8,439.96x = 32,870,151.47
  5. Step 5: Solve for x
    x = 32,870,151.47/8,439.96
  6. Step 6: Final answer
    x = 3,894.59

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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.