Home / 6,921.78-10,384.33-2,241.80

Finding the Fourth Proportional to 6,921.78, 10,384.33 and 2,241.80

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Solution

The fourth proportional to 6,921.78, 10,384.33 and 2,241.80 is: 3,363.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.78 : 10,384.33 = 2,241.80 : x
  2. Step 2: Convert to fraction form
    6,921.78/10,384.33 = 2,241.80/x
  3. Step 3: Cross multiply
    6,921.78x = 10,384.33 × 2,241.80
  4. Step 4: Simplify right side
    6,921.78x = 23,279,590.99
  5. Step 5: Solve for x
    x = 23,279,590.99/6,921.78
  6. Step 6: Final answer
    x = 3,363.24

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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.