Home / 5,043.15-7,565.54-2,122.29

Finding the Fourth Proportional to 5,043.15, 7,565.54 and 2,122.29

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Solution

The fourth proportional to 5,043.15, 7,565.54 and 2,122.29 is: 3,183.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.15 : 7,565.54 = 2,122.29 : x
  2. Step 2: Convert to fraction form
    5,043.15/7,565.54 = 2,122.29/x
  3. Step 3: Cross multiply
    5,043.15x = 7,565.54 × 2,122.29
  4. Step 4: Simplify right side
    5,043.15x = 16,056,269.89
  5. Step 5: Solve for x
    x = 16,056,269.89/5,043.15
  6. Step 6: Final answer
    x = 3,183.78

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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.