Home / 5,778.10-8,669.76-3,442.78

Finding the Fourth Proportional to 5,778.10, 8,669.76 and 3,442.78

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Solution

The fourth proportional to 5,778.10, 8,669.76 and 3,442.78 is: 5,165.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.10 : 8,669.76 = 3,442.78 : x
  2. Step 2: Convert to fraction form
    5,778.10/8,669.76 = 3,442.78/x
  3. Step 3: Cross multiply
    5,778.10x = 8,669.76 × 3,442.78
  4. Step 4: Simplify right side
    5,778.10x = 29,848,076.33
  5. Step 5: Solve for x
    x = 29,848,076.33/5,778.10
  6. Step 6: Final answer
    x = 5,165.73

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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.