Home / 7,850.44-11,777.39-2,587.07

Finding the Fourth Proportional to 7,850.44, 11,777.39 and 2,587.07

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Solution

The fourth proportional to 7,850.44, 11,777.39 and 2,587.07 is: 3,881.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,850.44 : 11,777.39 = 2,587.07 : x
  2. Step 2: Convert to fraction form
    7,850.44/11,777.39 = 2,587.07/x
  3. Step 3: Cross multiply
    7,850.44x = 11,777.39 × 2,587.07
  4. Step 4: Simplify right side
    7,850.44x = 30,468,919.41
  5. Step 5: Solve for x
    x = 30,468,919.41/7,850.44
  6. Step 6: Final answer
    x = 3,881.18

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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.