Home / 5,328.46-7,354.21-3,340.72

Finding the Fourth Proportional to 5,328.46, 7,354.21 and 3,340.72

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Solution

The fourth proportional to 5,328.46, 7,354.21 and 3,340.72 is: 4,610.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.46 : 7,354.21 = 3,340.72 : x
  2. Step 2: Convert to fraction form
    5,328.46/7,354.21 = 3,340.72/x
  3. Step 3: Cross multiply
    5,328.46x = 7,354.21 × 3,340.72
  4. Step 4: Simplify right side
    5,328.46x = 24,568,319.66
  5. Step 5: Solve for x
    x = 24,568,319.66/5,328.46
  6. Step 6: Final answer
    x = 4,610.78

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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.