Home / 5,396.34-7,447.32-3,300.78

Finding the Fourth Proportional to 5,396.34, 7,447.32 and 3,300.78

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Solution

The fourth proportional to 5,396.34, 7,447.32 and 3,300.78 is: 4,555.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.34 : 7,447.32 = 3,300.78 : x
  2. Step 2: Convert to fraction form
    5,396.34/7,447.32 = 3,300.78/x
  3. Step 3: Cross multiply
    5,396.34x = 7,447.32 × 3,300.78
  4. Step 4: Simplify right side
    5,396.34x = 24,581,964.91
  5. Step 5: Solve for x
    x = 24,581,964.91/5,396.34
  6. Step 6: Final answer
    x = 4,555.30

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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.