Home / 6,872.79-10,313.43-2,712.09

Finding the Fourth Proportional to 6,872.79, 10,313.43 and 2,712.09

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Solution

The fourth proportional to 6,872.79, 10,313.43 and 2,712.09 is: 4,069.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872.79 : 10,313.43 = 2,712.09 : x
  2. Step 2: Convert to fraction form
    6,872.79/10,313.43 = 2,712.09/x
  3. Step 3: Cross multiply
    6,872.79x = 10,313.43 × 2,712.09
  4. Step 4: Simplify right side
    6,872.79x = 27,970,950.37
  5. Step 5: Solve for x
    x = 27,970,950.37/6,872.79
  6. Step 6: Final answer
    x = 4,069.81

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1.5x scale

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.