Home / 4,921.42-6,792.51-3,239.86

Finding the Fourth Proportional to 4,921.42, 6,792.51 and 3,239.86

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Solution

The fourth proportional to 4,921.42, 6,792.51 and 3,239.86 is: 4,471.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.42 : 6,792.51 = 3,239.86 : x
  2. Step 2: Convert to fraction form
    4,921.42/6,792.51 = 3,239.86/x
  3. Step 3: Cross multiply
    4,921.42x = 6,792.51 × 3,239.86
  4. Step 4: Simplify right side
    4,921.42x = 22,006,781.45
  5. Step 5: Solve for x
    x = 22,006,781.45/4,921.42
  6. Step 6: Final answer
    x = 4,471.63

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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.