Home / 9,321.06-13,987.38-3,481.76

Finding the Fourth Proportional to 9,321.06, 13,987.38 and 3,481.76

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Solution

The fourth proportional to 9,321.06, 13,987.38 and 3,481.76 is: 5,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.06 : 13,987.38 = 3,481.76 : x
  2. Step 2: Convert to fraction form
    9,321.06/13,987.38 = 3,481.76/x
  3. Step 3: Cross multiply
    9,321.06x = 13,987.38 × 3,481.76
  4. Step 4: Simplify right side
    9,321.06x = 48,700,700.19
  5. Step 5: Solve for x
    x = 48,700,700.19/9,321.06
  6. Step 6: Final answer
    x = 5,224.80

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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.