Home / 5,494.08-7,578.18-3,396

Finding the Fourth Proportional to 5,494.08, 7,578.18 and 3,396

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Solution

The fourth proportional to 5,494.08, 7,578.18 and 3,396 is: 4,684.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,494.08 : 7,578.18 = 3,396 : x
  2. Step 2: Convert to fraction form
    5,494.08/7,578.18 = 3,396/x
  3. Step 3: Cross multiply
    5,494.08x = 7,578.18 × 3,396
  4. Step 4: Simplify right side
    5,494.08x = 25,735,499.28
  5. Step 5: Solve for x
    x = 25,735,499.28/5,494.08
  6. Step 6: Final answer
    x = 4,684.22

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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.