Home / 5,293.62-7,938.81-3,660.66

Finding the Fourth Proportional to 5,293.62, 7,938.81 and 3,660.66

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Solution

The fourth proportional to 5,293.62, 7,938.81 and 3,660.66 is: 5,489.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,293.62 : 7,938.81 = 3,660.66 : x
  2. Step 2: Convert to fraction form
    5,293.62/7,938.81 = 3,660.66/x
  3. Step 3: Cross multiply
    5,293.62x = 7,938.81 × 3,660.66
  4. Step 4: Simplify right side
    5,293.62x = 29,061,280.41
  5. Step 5: Solve for x
    x = 29,061,280.41/5,293.62
  6. Step 6: Final answer
    x = 5,489.87

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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.