Home / 4,261.74-6,389.43-2,871.18

Finding the Fourth Proportional to 4,261.74, 6,389.43 and 2,871.18

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Solution

The fourth proportional to 4,261.74, 6,389.43 and 2,871.18 is: 4,304.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.74 : 6,389.43 = 2,871.18 : x
  2. Step 2: Convert to fraction form
    4,261.74/6,389.43 = 2,871.18/x
  3. Step 3: Cross multiply
    4,261.74x = 6,389.43 × 2,871.18
  4. Step 4: Simplify right side
    4,261.74x = 18,345,203.63
  5. Step 5: Solve for x
    x = 18,345,203.63/4,261.74
  6. Step 6: Final answer
    x = 4,304.63

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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.