Home / 7,419.42-11,129.04-2,225.25

Finding the Fourth Proportional to 7,419.42, 11,129.04 and 2,225.25

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Solution

The fourth proportional to 7,419.42, 11,129.04 and 2,225.25 is: 3,337.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.42 : 11,129.04 = 2,225.25 : x
  2. Step 2: Convert to fraction form
    7,419.42/11,129.04 = 2,225.25/x
  3. Step 3: Cross multiply
    7,419.42x = 11,129.04 × 2,225.25
  4. Step 4: Simplify right side
    7,419.42x = 24,764,896.26
  5. Step 5: Solve for x
    x = 24,764,896.26/7,419.42
  6. Step 6: Final answer
    x = 3,337.85

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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.