Home / 5,201.10-7,801.65-4,487.61

Finding the Fourth Proportional to 5,201.10, 7,801.65 and 4,487.61

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Solution

The fourth proportional to 5,201.10, 7,801.65 and 4,487.61 is: 6,731.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.10 : 7,801.65 = 4,487.61 : x
  2. Step 2: Convert to fraction form
    5,201.10/7,801.65 = 4,487.61/x
  3. Step 3: Cross multiply
    5,201.10x = 7,801.65 × 4,487.61
  4. Step 4: Simplify right side
    5,201.10x = 35,010,762.56
  5. Step 5: Solve for x
    x = 35,010,762.56/5,201.10
  6. Step 6: Final answer
    x = 6,731.42

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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.