Home / 8,834.55-13,250.97-2,991.21

Finding the Fourth Proportional to 8,834.55, 13,250.97 and 2,991.21

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Solution

The fourth proportional to 8,834.55, 13,250.97 and 2,991.21 is: 4,486.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,834.55 : 13,250.97 = 2,991.21 : x
  2. Step 2: Convert to fraction form
    8,834.55/13,250.97 = 2,991.21/x
  3. Step 3: Cross multiply
    8,834.55x = 13,250.97 × 2,991.21
  4. Step 4: Simplify right side
    8,834.55x = 39,636,433.97
  5. Step 5: Solve for x
    x = 39,636,433.97/8,834.55
  6. Step 6: Final answer
    x = 4,486.53

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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.