Home / 8,439.57-12,660.80-2,596.05

Finding the Fourth Proportional to 8,439.57, 12,660.80 and 2,596.05

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Solution

The fourth proportional to 8,439.57, 12,660.80 and 2,596.05 is: 3,894.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,439.57 : 12,660.80 = 2,596.05 : x
  2. Step 2: Convert to fraction form
    8,439.57/12,660.80 = 2,596.05/x
  3. Step 3: Cross multiply
    8,439.57x = 12,660.80 × 2,596.05
  4. Step 4: Simplify right side
    8,439.57x = 32,868,056.86
  5. Step 5: Solve for x
    x = 32,868,056.86/8,439.57
  6. Step 6: Final answer
    x = 3,894.52

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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.