Home / 5,160.33-7,740.90-2,040.48

Finding the Fourth Proportional to 5,160.33, 7,740.90 and 2,040.48

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Solution

The fourth proportional to 5,160.33, 7,740.90 and 2,040.48 is: 3,060.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.33 : 7,740.90 = 2,040.48 : x
  2. Step 2: Convert to fraction form
    5,160.33/7,740.90 = 2,040.48/x
  3. Step 3: Cross multiply
    5,160.33x = 7,740.90 × 2,040.48
  4. Step 4: Simplify right side
    5,160.33x = 15,795,151.63
  5. Step 5: Solve for x
    x = 15,795,151.63/5,160.33
  6. Step 6: Final answer
    x = 3,060.88

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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.