Home / 7,182.81-10,771.88-2,801.79

Finding the Fourth Proportional to 7,182.81, 10,771.88 and 2,801.79

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Solution

The fourth proportional to 7,182.81, 10,771.88 and 2,801.79 is: 4,201.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182.81 : 10,771.88 = 2,801.79 : x
  2. Step 2: Convert to fraction form
    7,182.81/10,771.88 = 2,801.79/x
  3. Step 3: Cross multiply
    7,182.81x = 10,771.88 × 2,801.79
  4. Step 4: Simplify right side
    7,182.81x = 30,180,531.66
  5. Step 5: Solve for x
    x = 30,180,531.66/7,182.81
  6. Step 6: Final answer
    x = 4,201.77

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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.