Home / 8,161.55-12,244.70-2,614.77

Finding the Fourth Proportional to 8,161.55, 12,244.70 and 2,614.77

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Solution

The fourth proportional to 8,161.55, 12,244.70 and 2,614.77 is: 3,922.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.55 : 12,244.70 = 2,614.77 : x
  2. Step 2: Convert to fraction form
    8,161.55/12,244.70 = 2,614.77/x
  3. Step 3: Cross multiply
    8,161.55x = 12,244.70 × 2,614.77
  4. Step 4: Simplify right side
    8,161.55x = 32,017,074.22
  5. Step 5: Solve for x
    x = 32,017,074.22/8,161.55
  6. Step 6: Final answer
    x = 3,922.92

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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.