Home / 7,742.73-11,622.29-4,823.04

Finding the Fourth Proportional to 7,742.73, 11,622.29 and 4,823.04

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Solution

The fourth proportional to 7,742.73, 11,622.29 and 4,823.04 is: 7,239.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.73 : 11,622.29 = 4,823.04 : x
  2. Step 2: Convert to fraction form
    7,742.73/11,622.29 = 4,823.04/x
  3. Step 3: Cross multiply
    7,742.73x = 11,622.29 × 4,823.04
  4. Step 4: Simplify right side
    7,742.73x = 56,054,745.45
  5. Step 5: Solve for x
    x = 56,054,745.45/7,742.73
  6. Step 6: Final answer
    x = 7,239.66

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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.