Home / 6,872.94-10,313.15-2,977.65

Finding the Fourth Proportional to 6,872.94, 10,313.15 and 2,977.65

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Solution

The fourth proportional to 6,872.94, 10,313.15 and 2,977.65 is: 4,468.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872.94 : 10,313.15 = 2,977.65 : x
  2. Step 2: Convert to fraction form
    6,872.94/10,313.15 = 2,977.65/x
  3. Step 3: Cross multiply
    6,872.94x = 10,313.15 × 2,977.65
  4. Step 4: Simplify right side
    6,872.94x = 30,708,936.21
  5. Step 5: Solve for x
    x = 30,708,936.21/6,872.94
  6. Step 6: Final answer
    x = 4,468.09

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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.