Home / 4,008.09-6,012.82-1,787.71

Finding the Fourth Proportional to 4,008.09, 6,012.82 and 1,787.71

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Solution

The fourth proportional to 4,008.09, 6,012.82 and 1,787.71 is: 2,681.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,008.09 : 6,012.82 = 1,787.71 : x
  2. Step 2: Convert to fraction form
    4,008.09/6,012.82 = 1,787.71/x
  3. Step 3: Cross multiply
    4,008.09x = 6,012.82 × 1,787.71
  4. Step 4: Simplify right side
    4,008.09x = 10,749,182.91
  5. Step 5: Solve for x
    x = 10,749,182.91/4,008.09
  6. Step 6: Final answer
    x = 2,681.87

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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.