Home / 5,110.18-7,052.51-2,872.60

Finding the Fourth Proportional to 5,110.18, 7,052.51 and 2,872.60

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Solution

The fourth proportional to 5,110.18, 7,052.51 and 2,872.60 is: 3,964.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.18 : 7,052.51 = 2,872.60 : x
  2. Step 2: Convert to fraction form
    5,110.18/7,052.51 = 2,872.60/x
  3. Step 3: Cross multiply
    5,110.18x = 7,052.51 × 2,872.60
  4. Step 4: Simplify right side
    5,110.18x = 20,259,029.78
  5. Step 5: Solve for x
    x = 20,259,029.78/5,110.18
  6. Step 6: Final answer
    x = 3,964.45

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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.