Home / 5,286.52-7,919.46-2,509.24

Finding the Fourth Proportional to 5,286.52, 7,919.46 and 2,509.24

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Solution

The fourth proportional to 5,286.52, 7,919.46 and 2,509.24 is: 3,758.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.52 : 7,919.46 = 2,509.24 : x
  2. Step 2: Convert to fraction form
    5,286.52/7,919.46 = 2,509.24/x
  3. Step 3: Cross multiply
    5,286.52x = 7,919.46 × 2,509.24
  4. Step 4: Simplify right side
    5,286.52x = 19,871,825.81
  5. Step 5: Solve for x
    x = 19,871,825.81/5,286.52
  6. Step 6: Final answer
    x = 3,758.96

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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.