Home / 4,261.71-6,389.35-2,871.14

Finding the Fourth Proportional to 4,261.71, 6,389.35 and 2,871.14

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Solution

The fourth proportional to 4,261.71, 6,389.35 and 2,871.14 is: 4,304.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.71 : 6,389.35 = 2,871.14 : x
  2. Step 2: Convert to fraction form
    4,261.71/6,389.35 = 2,871.14/x
  3. Step 3: Cross multiply
    4,261.71x = 6,389.35 × 2,871.14
  4. Step 4: Simplify right side
    4,261.71x = 18,344,718.36
  5. Step 5: Solve for x
    x = 18,344,718.36/4,261.71
  6. Step 6: Final answer
    x = 4,304.54

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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.