Home / 4,489.18-6,197.29-3,478.61

Finding the Fourth Proportional to 4,489.18, 6,197.29 and 3,478.61

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Solution

The fourth proportional to 4,489.18, 6,197.29 and 3,478.61 is: 4,802.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489.18 : 6,197.29 = 3,478.61 : x
  2. Step 2: Convert to fraction form
    4,489.18/6,197.29 = 3,478.61/x
  3. Step 3: Cross multiply
    4,489.18x = 6,197.29 × 3,478.61
  4. Step 4: Simplify right side
    4,489.18x = 21,557,961.76
  5. Step 5: Solve for x
    x = 21,557,961.76/4,489.18
  6. Step 6: Final answer
    x = 4,802.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.