Home / 5,444.72-7,512.55-3,205.78

Finding the Fourth Proportional to 5,444.72, 7,512.55 and 3,205.78

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Solution

The fourth proportional to 5,444.72, 7,512.55 and 3,205.78 is: 4,423.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,444.72 : 7,512.55 = 3,205.78 : x
  2. Step 2: Convert to fraction form
    5,444.72/7,512.55 = 3,205.78/x
  3. Step 3: Cross multiply
    5,444.72x = 7,512.55 × 3,205.78
  4. Step 4: Simplify right side
    5,444.72x = 24,083,576.03
  5. Step 5: Solve for x
    x = 24,083,576.03/5,444.72
  6. Step 6: Final answer
    x = 4,423.29

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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.