Home / 8,839.70-12,198.82-4,861.07

Finding the Fourth Proportional to 8,839.70, 12,198.82 and 4,861.07

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Solution

The fourth proportional to 8,839.70, 12,198.82 and 4,861.07 is: 6,708.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.70 : 12,198.82 = 4,861.07 : x
  2. Step 2: Convert to fraction form
    8,839.70/12,198.82 = 4,861.07/x
  3. Step 3: Cross multiply
    8,839.70x = 12,198.82 × 4,861.07
  4. Step 4: Simplify right side
    8,839.70x = 59,299,269.10
  5. Step 5: Solve for x
    x = 59,299,269.10/8,839.70
  6. Step 6: Final answer
    x = 6,708.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.