Home / 5,394.18-8,086.41-1,930.62

Finding the Fourth Proportional to 5,394.18, 8,086.41 and 1,930.62

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Solution

The fourth proportional to 5,394.18, 8,086.41 and 1,930.62 is: 2,894.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394.18 : 8,086.41 = 1,930.62 : x
  2. Step 2: Convert to fraction form
    5,394.18/8,086.41 = 1,930.62/x
  3. Step 3: Cross multiply
    5,394.18x = 8,086.41 × 1,930.62
  4. Step 4: Simplify right side
    5,394.18x = 15,611,784.87
  5. Step 5: Solve for x
    x = 15,611,784.87/5,394.18
  6. Step 6: Final answer
    x = 2,894.19

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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.