Home / 5,124.29-7,684.91-2,201.91

Finding the Fourth Proportional to 5,124.29, 7,684.91 and 2,201.91

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Solution

The fourth proportional to 5,124.29, 7,684.91 and 2,201.91 is: 3,302.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.29 : 7,684.91 = 2,201.91 : x
  2. Step 2: Convert to fraction form
    5,124.29/7,684.91 = 2,201.91/x
  3. Step 3: Cross multiply
    5,124.29x = 7,684.91 × 2,201.91
  4. Step 4: Simplify right side
    5,124.29x = 16,921,448.61
  5. Step 5: Solve for x
    x = 16,921,448.61/5,124.29
  6. Step 6: Final answer
    x = 3,302.21

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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.