Home / 5,301.90-7,940.70-2,701.80

Finding the Fourth Proportional to 5,301.90, 7,940.70 and 2,701.80

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Solution

The fourth proportional to 5,301.90, 7,940.70 and 2,701.80 is: 4,046.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.90 : 7,940.70 = 2,701.80 : x
  2. Step 2: Convert to fraction form
    5,301.90/7,940.70 = 2,701.80/x
  3. Step 3: Cross multiply
    5,301.90x = 7,940.70 × 2,701.80
  4. Step 4: Simplify right side
    5,301.90x = 21,454,183.26
  5. Step 5: Solve for x
    x = 21,454,183.26/5,301.90
  6. Step 6: Final answer
    x = 4,046.51

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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.