Home / 4,878.11-6,731.81-2,753.66

Finding the Fourth Proportional to 4,878.11, 6,731.81 and 2,753.66

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Solution

The fourth proportional to 4,878.11, 6,731.81 and 2,753.66 is: 3,800.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.11 : 6,731.81 = 2,753.66 : x
  2. Step 2: Convert to fraction form
    4,878.11/6,731.81 = 2,753.66/x
  3. Step 3: Cross multiply
    4,878.11x = 6,731.81 × 2,753.66
  4. Step 4: Simplify right side
    4,878.11x = 18,537,115.92
  5. Step 5: Solve for x
    x = 18,537,115.92/4,878.11
  6. Step 6: Final answer
    x = 3,800.06

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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.