Home / 5,140.51-7,704.92-3,385.29

Finding the Fourth Proportional to 5,140.51, 7,704.92 and 3,385.29

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Solution

The fourth proportional to 5,140.51, 7,704.92 and 3,385.29 is: 5,074.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.51 : 7,704.92 = 3,385.29 : x
  2. Step 2: Convert to fraction form
    5,140.51/7,704.92 = 3,385.29/x
  3. Step 3: Cross multiply
    5,140.51x = 7,704.92 × 3,385.29
  4. Step 4: Simplify right side
    5,140.51x = 26,083,425.98
  5. Step 5: Solve for x
    x = 26,083,425.98/5,140.51
  6. Step 6: Final answer
    x = 5,074.09

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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.