Home / 8,114.38-12,161.08-4,162.35

Finding the Fourth Proportional to 8,114.38, 12,161.08 and 4,162.35

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Solution

The fourth proportional to 8,114.38, 12,161.08 and 4,162.35 is: 6,238.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114.38 : 12,161.08 = 4,162.35 : x
  2. Step 2: Convert to fraction form
    8,114.38/12,161.08 = 4,162.35/x
  3. Step 3: Cross multiply
    8,114.38x = 12,161.08 × 4,162.35
  4. Step 4: Simplify right side
    8,114.38x = 50,618,671.34
  5. Step 5: Solve for x
    x = 50,618,671.34/8,114.38
  6. Step 6: Final answer
    x = 6,238.14

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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.