Home / 5,591.42-7,716.89-3,607.75

Finding the Fourth Proportional to 5,591.42, 7,716.89 and 3,607.75

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Solution

The fourth proportional to 5,591.42, 7,716.89 and 3,607.75 is: 4,979.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.42 : 7,716.89 = 3,607.75 : x
  2. Step 2: Convert to fraction form
    5,591.42/7,716.89 = 3,607.75/x
  3. Step 3: Cross multiply
    5,591.42x = 7,716.89 × 3,607.75
  4. Step 4: Simplify right side
    5,591.42x = 27,840,564.86
  5. Step 5: Solve for x
    x = 27,840,564.86/5,591.42
  6. Step 6: Final answer
    x = 4,979.16

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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.