Home / 5,398.20-8,097.75-3,946.57

Finding the Fourth Proportional to 5,398.20, 8,097.75 and 3,946.57

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Solution

The fourth proportional to 5,398.20, 8,097.75 and 3,946.57 is: 5,920.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.20 : 8,097.75 = 3,946.57 : x
  2. Step 2: Convert to fraction form
    5,398.20/8,097.75 = 3,946.57/x
  3. Step 3: Cross multiply
    5,398.20x = 8,097.75 × 3,946.57
  4. Step 4: Simplify right side
    5,398.20x = 31,958,316.97
  5. Step 5: Solve for x
    x = 31,958,316.97/5,398.20
  6. Step 6: Final answer
    x = 5,920.18

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1.5x scale

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.