Home / 6,807.24-10,204.38-2,187

Finding the Fourth Proportional to 6,807.24, 10,204.38 and 2,187

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Solution

The fourth proportional to 6,807.24, 10,204.38 and 2,187 is: 3,278.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,807.24 : 10,204.38 = 2,187 : x
  2. Step 2: Convert to fraction form
    6,807.24/10,204.38 = 2,187/x
  3. Step 3: Cross multiply
    6,807.24x = 10,204.38 × 2,187
  4. Step 4: Simplify right side
    6,807.24x = 22,316,979.06
  5. Step 5: Solve for x
    x = 22,316,979.06/6,807.24
  6. Step 6: Final answer
    x = 3,278.42

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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.