Home / 6,871.13-10,291.12-4,372.31

Finding the Fourth Proportional to 6,871.13, 10,291.12 and 4,372.31

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Solution

The fourth proportional to 6,871.13, 10,291.12 and 4,372.31 is: 6,548.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.13 : 10,291.12 = 4,372.31 : x
  2. Step 2: Convert to fraction form
    6,871.13/10,291.12 = 4,372.31/x
  3. Step 3: Cross multiply
    6,871.13x = 10,291.12 × 4,372.31
  4. Step 4: Simplify right side
    6,871.13x = 44,995,981.68
  5. Step 5: Solve for x
    x = 44,995,981.68/6,871.13
  6. Step 6: Final answer
    x = 6,548.56

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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.