Home / 5,098.65-7,026.60-3,977.80

Finding the Fourth Proportional to 5,098.65, 7,026.60 and 3,977.80

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Solution

The fourth proportional to 5,098.65, 7,026.60 and 3,977.80 is: 5,481.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,098.65 : 7,026.60 = 3,977.80 : x
  2. Step 2: Convert to fraction form
    5,098.65/7,026.60 = 3,977.80/x
  3. Step 3: Cross multiply
    5,098.65x = 7,026.60 × 3,977.80
  4. Step 4: Simplify right side
    5,098.65x = 27,950,409.48
  5. Step 5: Solve for x
    x = 27,950,409.48/5,098.65
  6. Step 6: Final answer
    x = 5,481.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.