Home / 5,651.32-7,794.88-3,887.14

Finding the Fourth Proportional to 5,651.32, 7,794.88 and 3,887.14

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Solution

The fourth proportional to 5,651.32, 7,794.88 and 3,887.14 is: 5,361.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.32 : 7,794.88 = 3,887.14 : x
  2. Step 2: Convert to fraction form
    5,651.32/7,794.88 = 3,887.14/x
  3. Step 3: Cross multiply
    5,651.32x = 7,794.88 × 3,887.14
  4. Step 4: Simplify right side
    5,651.32x = 30,299,789.84
  5. Step 5: Solve for x
    x = 30,299,789.84/5,651.32
  6. Step 6: Final answer
    x = 5,361.54

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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.