Home / 5,356.62-8,020.26-3,877.20

Finding the Fourth Proportional to 5,356.62, 8,020.26 and 3,877.20

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Solution

The fourth proportional to 5,356.62, 8,020.26 and 3,877.20 is: 5,805.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.62 : 8,020.26 = 3,877.20 : x
  2. Step 2: Convert to fraction form
    5,356.62/8,020.26 = 3,877.20/x
  3. Step 3: Cross multiply
    5,356.62x = 8,020.26 × 3,877.20
  4. Step 4: Simplify right side
    5,356.62x = 31,096,152.07
  5. Step 5: Solve for x
    x = 31,096,152.07/5,356.62
  6. Step 6: Final answer
    x = 5,805.18

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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.