Home / 5,072.74-7,610.51-2,112.58

Finding the Fourth Proportional to 5,072.74, 7,610.51 and 2,112.58

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Solution

The fourth proportional to 5,072.74, 7,610.51 and 2,112.58 is: 3,169.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.74 : 7,610.51 = 2,112.58 : x
  2. Step 2: Convert to fraction form
    5,072.74/7,610.51 = 2,112.58/x
  3. Step 3: Cross multiply
    5,072.74x = 7,610.51 × 2,112.58
  4. Step 4: Simplify right side
    5,072.74x = 16,077,787.16
  5. Step 5: Solve for x
    x = 16,077,787.16/5,072.74
  6. Step 6: Final answer
    x = 3,169.45

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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.