Home / 5,299.26-7,947.36-2,136.70

Finding the Fourth Proportional to 5,299.26, 7,947.36 and 2,136.70

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Solution

The fourth proportional to 5,299.26, 7,947.36 and 2,136.70 is: 3,204.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.26 : 7,947.36 = 2,136.70 : x
  2. Step 2: Convert to fraction form
    5,299.26/7,947.36 = 2,136.70/x
  3. Step 3: Cross multiply
    5,299.26x = 7,947.36 × 2,136.70
  4. Step 4: Simplify right side
    5,299.26x = 16,981,073.69
  5. Step 5: Solve for x
    x = 16,981,073.69/5,299.26
  6. Step 6: Final answer
    x = 3,204.43

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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.