Home / 5,396.69-7,446.87-3,038.78

Finding the Fourth Proportional to 5,396.69, 7,446.87 and 3,038.78

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Solution

The fourth proportional to 5,396.69, 7,446.87 and 3,038.78 is: 4,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.69 : 7,446.87 = 3,038.78 : x
  2. Step 2: Convert to fraction form
    5,396.69/7,446.87 = 3,038.78/x
  3. Step 3: Cross multiply
    5,396.69x = 7,446.87 × 3,038.78
  4. Step 4: Simplify right side
    5,396.69x = 22,629,399.62
  5. Step 5: Solve for x
    x = 22,629,399.62/5,396.69
  6. Step 6: Final answer
    x = 4,193.20

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1.5x scale

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.