Home / 4,257.72-6,384.36-2,871

Finding the Fourth Proportional to 4,257.72, 6,384.36 and 2,871

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Solution

The fourth proportional to 4,257.72, 6,384.36 and 2,871 is: 4,305.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.72 : 6,384.36 = 2,871 : x
  2. Step 2: Convert to fraction form
    4,257.72/6,384.36 = 2,871/x
  3. Step 3: Cross multiply
    4,257.72x = 6,384.36 × 2,871
  4. Step 4: Simplify right side
    4,257.72x = 18,329,497.56
  5. Step 5: Solve for x
    x = 18,329,497.56/4,257.72
  6. Step 6: Final answer
    x = 4,305.00

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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.