Home / 4,222.72-6,332.16-2,664.48

Finding the Fourth Proportional to 4,222.72, 6,332.16 and 2,664.48

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Solution

The fourth proportional to 4,222.72, 6,332.16 and 2,664.48 is: 3,995.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.72 : 6,332.16 = 2,664.48 : x
  2. Step 2: Convert to fraction form
    4,222.72/6,332.16 = 2,664.48/x
  3. Step 3: Cross multiply
    4,222.72x = 6,332.16 × 2,664.48
  4. Step 4: Simplify right side
    4,222.72x = 16,871,913.68
  5. Step 5: Solve for x
    x = 16,871,913.68/4,222.72
  6. Step 6: Final answer
    x = 3,995.51

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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.