Home / 7,171.23-9,895.97-3,984.73

Finding the Fourth Proportional to 7,171.23, 9,895.97 and 3,984.73

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Solution

The fourth proportional to 7,171.23, 9,895.97 and 3,984.73 is: 5,498.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171.23 : 9,895.97 = 3,984.73 : x
  2. Step 2: Convert to fraction form
    7,171.23/9,895.97 = 3,984.73/x
  3. Step 3: Cross multiply
    7,171.23x = 9,895.97 × 3,984.73
  4. Step 4: Simplify right side
    7,171.23x = 39,432,753.76
  5. Step 5: Solve for x
    x = 39,432,753.76/7,171.23
  6. Step 6: Final answer
    x = 5,498.74

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1.5x scale

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.