Home / 5,414.02-8,117.70-2,123.26

Finding the Fourth Proportional to 5,414.02, 8,117.70 and 2,123.26

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Solution

The fourth proportional to 5,414.02, 8,117.70 and 2,123.26 is: 3,183.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.02 : 8,117.70 = 2,123.26 : x
  2. Step 2: Convert to fraction form
    5,414.02/8,117.70 = 2,123.26/x
  3. Step 3: Cross multiply
    5,414.02x = 8,117.70 × 2,123.26
  4. Step 4: Simplify right side
    5,414.02x = 17,235,987.70
  5. Step 5: Solve for x
    x = 17,235,987.70/5,414.02
  6. Step 6: Final answer
    x = 3,183.58

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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.