Home / 9,171.76-13,753.44-2,930.56

Finding the Fourth Proportional to 9,171.76, 13,753.44 and 2,930.56

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Solution

The fourth proportional to 9,171.76, 13,753.44 and 2,930.56 is: 4,394.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171.76 : 13,753.44 = 2,930.56 : x
  2. Step 2: Convert to fraction form
    9,171.76/13,753.44 = 2,930.56/x
  3. Step 3: Cross multiply
    9,171.76x = 13,753.44 × 2,930.56
  4. Step 4: Simplify right side
    9,171.76x = 40,305,281.13
  5. Step 5: Solve for x
    x = 40,305,281.13/9,171.76
  6. Step 6: Final answer
    x = 4,394.50

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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.