Home / 5,360.46-8,039.12-2,072.78

Finding the Fourth Proportional to 5,360.46, 8,039.12 and 2,072.78

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Solution

The fourth proportional to 5,360.46, 8,039.12 and 2,072.78 is: 3,108.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.46 : 8,039.12 = 2,072.78 : x
  2. Step 2: Convert to fraction form
    5,360.46/8,039.12 = 2,072.78/x
  3. Step 3: Cross multiply
    5,360.46x = 8,039.12 × 2,072.78
  4. Step 4: Simplify right side
    5,360.46x = 16,663,327.15
  5. Step 5: Solve for x
    x = 16,663,327.15/5,360.46
  6. Step 6: Final answer
    x = 3,108.56

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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.