Home / 6,871.23-10,306.78-2,713.16

Finding the Fourth Proportional to 6,871.23, 10,306.78 and 2,713.16

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Solution

The fourth proportional to 6,871.23, 10,306.78 and 2,713.16 is: 4,069.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.23 : 10,306.78 = 2,713.16 : x
  2. Step 2: Convert to fraction form
    6,871.23/10,306.78 = 2,713.16/x
  3. Step 3: Cross multiply
    6,871.23x = 10,306.78 × 2,713.16
  4. Step 4: Simplify right side
    6,871.23x = 27,963,962.21
  5. Step 5: Solve for x
    x = 27,963,962.21/6,871.23
  6. Step 6: Final answer
    x = 4,069.72

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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.