Home / 8,381.20-12,569.73-2,834.42

Finding the Fourth Proportional to 8,381.20, 12,569.73 and 2,834.42

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Solution

The fourth proportional to 8,381.20, 12,569.73 and 2,834.42 is: 4,250.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381.20 : 12,569.73 = 2,834.42 : x
  2. Step 2: Convert to fraction form
    8,381.20/12,569.73 = 2,834.42/x
  3. Step 3: Cross multiply
    8,381.20x = 12,569.73 × 2,834.42
  4. Step 4: Simplify right side
    8,381.20x = 35,627,894.11
  5. Step 5: Solve for x
    x = 35,627,894.11/8,381.20
  6. Step 6: Final answer
    x = 4,250.93

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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.