Home / 4,917.72-6,793.11-3,929.93

Finding the Fourth Proportional to 4,917.72, 6,793.11 and 3,929.93

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Solution

The fourth proportional to 4,917.72, 6,793.11 and 3,929.93 is: 5,428.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.72 : 6,793.11 = 3,929.93 : x
  2. Step 2: Convert to fraction form
    4,917.72/6,793.11 = 3,929.93/x
  3. Step 3: Cross multiply
    4,917.72x = 6,793.11 × 3,929.93
  4. Step 4: Simplify right side
    4,917.72x = 26,696,412.82
  5. Step 5: Solve for x
    x = 26,696,412.82/4,917.72
  6. Step 6: Final answer
    x = 5,428.62

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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.