Home / 5,418.45-7,480.94-4,426.11

Finding the Fourth Proportional to 5,418.45, 7,480.94 and 4,426.11

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Solution

The fourth proportional to 5,418.45, 7,480.94 and 4,426.11 is: 6,110.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.45 : 7,480.94 = 4,426.11 : x
  2. Step 2: Convert to fraction form
    5,418.45/7,480.94 = 4,426.11/x
  3. Step 3: Cross multiply
    5,418.45x = 7,480.94 × 4,426.11
  4. Step 4: Simplify right side
    5,418.45x = 33,111,441.21
  5. Step 5: Solve for x
    x = 33,111,441.21/5,418.45
  6. Step 6: Final answer
    x = 6,110.87

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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.