Home / 6,871.83-10,313.21-2,490.54

Finding the Fourth Proportional to 6,871.83, 10,313.21 and 2,490.54

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Solution

The fourth proportional to 6,871.83, 10,313.21 and 2,490.54 is: 3,737.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.83 : 10,313.21 = 2,490.54 : x
  2. Step 2: Convert to fraction form
    6,871.83/10,313.21 = 2,490.54/x
  3. Step 3: Cross multiply
    6,871.83x = 10,313.21 × 2,490.54
  4. Step 4: Simplify right side
    6,871.83x = 25,685,462.03
  5. Step 5: Solve for x
    x = 25,685,462.03/6,871.83
  6. Step 6: Final answer
    x = 3,737.79

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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.