Home / 5,396.47-8,095.45-2,622.78

Finding the Fourth Proportional to 5,396.47, 8,095.45 and 2,622.78

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Solution

The fourth proportional to 5,396.47, 8,095.45 and 2,622.78 is: 3,934.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.47 : 8,095.45 = 2,622.78 : x
  2. Step 2: Convert to fraction form
    5,396.47/8,095.45 = 2,622.78/x
  3. Step 3: Cross multiply
    5,396.47x = 8,095.45 × 2,622.78
  4. Step 4: Simplify right side
    5,396.47x = 21,232,584.35
  5. Step 5: Solve for x
    x = 21,232,584.35/5,396.47
  6. Step 6: Final answer
    x = 3,934.53

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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.