Home / 5,222.32-7,206.64-2,864.42

Finding the Fourth Proportional to 5,222.32, 7,206.64 and 2,864.42

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Solution

The fourth proportional to 5,222.32, 7,206.64 and 2,864.42 is: 3,952.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.32 : 7,206.64 = 2,864.42 : x
  2. Step 2: Convert to fraction form
    5,222.32/7,206.64 = 2,864.42/x
  3. Step 3: Cross multiply
    5,222.32x = 7,206.64 × 2,864.42
  4. Step 4: Simplify right side
    5,222.32x = 20,642,843.75
  5. Step 5: Solve for x
    x = 20,642,843.75/5,222.32
  6. Step 6: Final answer
    x = 3,952.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.