Home / 5,265.05-7,899.19-3,787.61

Finding the Fourth Proportional to 5,265.05, 7,899.19 and 3,787.61

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Solution

The fourth proportional to 5,265.05, 7,899.19 and 3,787.61 is: 5,682.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.05 : 7,899.19 = 3,787.61 : x
  2. Step 2: Convert to fraction form
    5,265.05/7,899.19 = 3,787.61/x
  3. Step 3: Cross multiply
    5,265.05x = 7,899.19 × 3,787.61
  4. Step 4: Simplify right side
    5,265.05x = 29,919,002.07
  5. Step 5: Solve for x
    x = 29,919,002.07/5,265.05
  6. Step 6: Final answer
    x = 5,682.57

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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.