Home / 5,222.67-7,207.29-2,864.87

Finding the Fourth Proportional to 5,222.67, 7,207.29 and 2,864.87

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Solution

The fourth proportional to 5,222.67, 7,207.29 and 2,864.87 is: 3,953.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.67 : 7,207.29 = 2,864.87 : x
  2. Step 2: Convert to fraction form
    5,222.67/7,207.29 = 2,864.87/x
  3. Step 3: Cross multiply
    5,222.67x = 7,207.29 × 2,864.87
  4. Step 4: Simplify right side
    5,222.67x = 20,647,912.87
  5. Step 5: Solve for x
    x = 20,647,912.87/5,222.67
  6. Step 6: Final answer
    x = 3,953.52

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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.