Home / 6,446.91-9,665.64-2,061.84

Finding the Fourth Proportional to 6,446.91, 9,665.64 and 2,061.84

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Solution

The fourth proportional to 6,446.91, 9,665.64 and 2,061.84 is: 3,091.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,446.91 : 9,665.64 = 2,061.84 : x
  2. Step 2: Convert to fraction form
    6,446.91/9,665.64 = 2,061.84/x
  3. Step 3: Cross multiply
    6,446.91x = 9,665.64 × 2,061.84
  4. Step 4: Simplify right side
    6,446.91x = 19,929,003.18
  5. Step 5: Solve for x
    x = 19,929,003.18/6,446.91
  6. Step 6: Final answer
    x = 3,091.25

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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.