Home / 7,222.72-10,828-3,523.04

Finding the Fourth Proportional to 7,222.72, 10,828 and 3,523.04

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Solution

The fourth proportional to 7,222.72, 10,828 and 3,523.04 is: 5,281.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222.72 : 10,828 = 3,523.04 : x
  2. Step 2: Convert to fraction form
    7,222.72/10,828 = 3,523.04/x
  3. Step 3: Cross multiply
    7,222.72x = 10,828 × 3,523.04
  4. Step 4: Simplify right side
    7,222.72x = 38,147,477.12
  5. Step 5: Solve for x
    x = 38,147,477.12/7,222.72
  6. Step 6: Final answer
    x = 5,281.59

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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.