Home / 7,827.28-11,742.68-2,633

Finding the Fourth Proportional to 7,827.28, 11,742.68 and 2,633

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Solution

The fourth proportional to 7,827.28, 11,742.68 and 2,633 is: 3,950.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.28 : 11,742.68 = 2,633 : x
  2. Step 2: Convert to fraction form
    7,827.28/11,742.68 = 2,633/x
  3. Step 3: Cross multiply
    7,827.28x = 11,742.68 × 2,633
  4. Step 4: Simplify right side
    7,827.28x = 30,918,476.44
  5. Step 5: Solve for x
    x = 30,918,476.44/7,827.28
  6. Step 6: Final answer
    x = 3,950.09

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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.