Home / 7,223.11-10,834.25-2,779.89

Finding the Fourth Proportional to 7,223.11, 10,834.25 and 2,779.89

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Solution

The fourth proportional to 7,223.11, 10,834.25 and 2,779.89 is: 4,169.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223.11 : 10,834.25 = 2,779.89 : x
  2. Step 2: Convert to fraction form
    7,223.11/10,834.25 = 2,779.89/x
  3. Step 3: Cross multiply
    7,223.11x = 10,834.25 × 2,779.89
  4. Step 4: Simplify right side
    7,223.11x = 30,118,057.27
  5. Step 5: Solve for x
    x = 30,118,057.27/7,223.11
  6. Step 6: Final answer
    x = 4,169.68

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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.