Home / 4,871.88-6,723.19-2,776

Finding the Fourth Proportional to 4,871.88, 6,723.19 and 2,776

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Solution

The fourth proportional to 4,871.88, 6,723.19 and 2,776 is: 3,830.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871.88 : 6,723.19 = 2,776 : x
  2. Step 2: Convert to fraction form
    4,871.88/6,723.19 = 2,776/x
  3. Step 3: Cross multiply
    4,871.88x = 6,723.19 × 2,776
  4. Step 4: Simplify right side
    4,871.88x = 18,663,575.44
  5. Step 5: Solve for x
    x = 18,663,575.44/4,871.88
  6. Step 6: Final answer
    x = 3,830.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.