Home / 4,187.70-6,281.55-2,711.48

Finding the Fourth Proportional to 4,187.70, 6,281.55 and 2,711.48

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Solution

The fourth proportional to 4,187.70, 6,281.55 and 2,711.48 is: 4,067.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.70 : 6,281.55 = 2,711.48 : x
  2. Step 2: Convert to fraction form
    4,187.70/6,281.55 = 2,711.48/x
  3. Step 3: Cross multiply
    4,187.70x = 6,281.55 × 2,711.48
  4. Step 4: Simplify right side
    4,187.70x = 17,032,265.79
  5. Step 5: Solve for x
    x = 17,032,265.79/4,187.70
  6. Step 6: Final answer
    x = 4,067.21

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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.