Home / 5,150.16-7,720.92-2,070.48

Finding the Fourth Proportional to 5,150.16, 7,720.92 and 2,070.48

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Solution

The fourth proportional to 5,150.16, 7,720.92 and 2,070.48 is: 3,103.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.16 : 7,720.92 = 2,070.48 : x
  2. Step 2: Convert to fraction form
    5,150.16/7,720.92 = 2,070.48/x
  3. Step 3: Cross multiply
    5,150.16x = 7,720.92 × 2,070.48
  4. Step 4: Simplify right side
    5,150.16x = 15,986,010.44
  5. Step 5: Solve for x
    x = 15,986,010.44/5,150.16
  6. Step 6: Final answer
    x = 3,103.98

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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.