Home / 6,917.83-10,376.75-3,221.15

Finding the Fourth Proportional to 6,917.83, 10,376.75 and 3,221.15

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Solution

The fourth proportional to 6,917.83, 10,376.75 and 3,221.15 is: 4,831.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.83 : 10,376.75 = 3,221.15 : x
  2. Step 2: Convert to fraction form
    6,917.83/10,376.75 = 3,221.15/x
  3. Step 3: Cross multiply
    6,917.83x = 10,376.75 × 3,221.15
  4. Step 4: Simplify right side
    6,917.83x = 33,425,024.43
  5. Step 5: Solve for x
    x = 33,425,024.43/6,917.83
  6. Step 6: Final answer
    x = 4,831.72

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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.