Home / 7,420.74-11,132.46-3,725.52

Finding the Fourth Proportional to 7,420.74, 11,132.46 and 3,725.52

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Solution

The fourth proportional to 7,420.74, 11,132.46 and 3,725.52 is: 5,588.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420.74 : 11,132.46 = 3,725.52 : x
  2. Step 2: Convert to fraction form
    7,420.74/11,132.46 = 3,725.52/x
  3. Step 3: Cross multiply
    7,420.74x = 11,132.46 × 3,725.52
  4. Step 4: Simplify right side
    7,420.74x = 41,474,202.38
  5. Step 5: Solve for x
    x = 41,474,202.38/7,420.74
  6. Step 6: Final answer
    x = 5,588.96

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.