Home / 4,371.91-6,561.31-1,908.46

Finding the Fourth Proportional to 4,371.91, 6,561.31 and 1,908.46

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Solution

The fourth proportional to 4,371.91, 6,561.31 and 1,908.46 is: 2,864.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,371.91 : 6,561.31 = 1,908.46 : x
  2. Step 2: Convert to fraction form
    4,371.91/6,561.31 = 1,908.46/x
  3. Step 3: Cross multiply
    4,371.91x = 6,561.31 × 1,908.46
  4. Step 4: Simplify right side
    4,371.91x = 12,521,964.88
  5. Step 5: Solve for x
    x = 12,521,964.88/4,371.91
  6. Step 6: Final answer
    x = 2,864.19

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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.