Home / 6,936.72-10,403.94-2,986.91

Finding the Fourth Proportional to 6,936.72, 10,403.94 and 2,986.91

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Solution

The fourth proportional to 6,936.72, 10,403.94 and 2,986.91 is: 4,479.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.72 : 10,403.94 = 2,986.91 : x
  2. Step 2: Convert to fraction form
    6,936.72/10,403.94 = 2,986.91/x
  3. Step 3: Cross multiply
    6,936.72x = 10,403.94 × 2,986.91
  4. Step 4: Simplify right side
    6,936.72x = 31,075,617.49
  5. Step 5: Solve for x
    x = 31,075,617.49/6,936.72
  6. Step 6: Final answer
    x = 4,479.88

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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.