Home / 5,379.66-8,076.51-4,147.92

Finding the Fourth Proportional to 5,379.66, 8,076.51 and 4,147.92

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Solution

The fourth proportional to 5,379.66, 8,076.51 and 4,147.92 is: 6,227.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.66 : 8,076.51 = 4,147.92 : x
  2. Step 2: Convert to fraction form
    5,379.66/8,076.51 = 4,147.92/x
  3. Step 3: Cross multiply
    5,379.66x = 8,076.51 × 4,147.92
  4. Step 4: Simplify right side
    5,379.66x = 33,500,717.36
  5. Step 5: Solve for x
    x = 33,500,717.36/5,379.66
  6. Step 6: Final answer
    x = 6,227.29

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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.