Home / 7,171.38-10,747.35-5,329.44

Finding the Fourth Proportional to 7,171.38, 10,747.35 and 5,329.44

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Solution

The fourth proportional to 7,171.38, 10,747.35 and 5,329.44 is: 7,986.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171.38 : 10,747.35 = 5,329.44 : x
  2. Step 2: Convert to fraction form
    7,171.38/10,747.35 = 5,329.44/x
  3. Step 3: Cross multiply
    7,171.38x = 10,747.35 × 5,329.44
  4. Step 4: Simplify right side
    7,171.38x = 57,277,356.98
  5. Step 5: Solve for x
    x = 57,277,356.98/7,171.38
  6. Step 6: Final answer
    x = 7,986.94

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1.5x scale

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.