Home / 4,581.83-6,869.61-2,115.27

Finding the Fourth Proportional to 4,581.83, 6,869.61 and 2,115.27

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Solution

The fourth proportional to 4,581.83, 6,869.61 and 2,115.27 is: 3,171.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,581.83 : 6,869.61 = 2,115.27 : x
  2. Step 2: Convert to fraction form
    4,581.83/6,869.61 = 2,115.27/x
  3. Step 3: Cross multiply
    4,581.83x = 6,869.61 × 2,115.27
  4. Step 4: Simplify right side
    4,581.83x = 14,531,079.94
  5. Step 5: Solve for x
    x = 14,531,079.94/4,581.83
  6. Step 6: Final answer
    x = 3,171.46

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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.