Home / 4,371.25-6,553.20-1,904.21

Finding the Fourth Proportional to 4,371.25, 6,553.20 and 1,904.21

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Solution

The fourth proportional to 4,371.25, 6,553.20 and 1,904.21 is: 2,854.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,371.25 : 6,553.20 = 1,904.21 : x
  2. Step 2: Convert to fraction form
    4,371.25/6,553.20 = 1,904.21/x
  3. Step 3: Cross multiply
    4,371.25x = 6,553.20 × 1,904.21
  4. Step 4: Simplify right side
    4,371.25x = 12,478,655.87
  5. Step 5: Solve for x
    x = 12,478,655.87/4,371.25
  6. Step 6: Final answer
    x = 2,854.71

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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.