Home / 9,231.44-12,739.52-5,039.60

Finding the Fourth Proportional to 9,231.44, 12,739.52 and 5,039.60

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Solution

The fourth proportional to 9,231.44, 12,739.52 and 5,039.60 is: 6,954.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.44 : 12,739.52 = 5,039.60 : x
  2. Step 2: Convert to fraction form
    9,231.44/12,739.52 = 5,039.60/x
  3. Step 3: Cross multiply
    9,231.44x = 12,739.52 × 5,039.60
  4. Step 4: Simplify right side
    9,231.44x = 64,202,084.99
  5. Step 5: Solve for x
    x = 64,202,084.99/9,231.44
  6. Step 6: Final answer
    x = 6,954.72

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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.