Home / 7,480.40-11,218.52-2,216.56

Finding the Fourth Proportional to 7,480.40, 11,218.52 and 2,216.56

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Solution

The fourth proportional to 7,480.40, 11,218.52 and 2,216.56 is: 3,324.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.40 : 11,218.52 = 2,216.56 : x
  2. Step 2: Convert to fraction form
    7,480.40/11,218.52 = 2,216.56/x
  3. Step 3: Cross multiply
    7,480.40x = 11,218.52 × 2,216.56
  4. Step 4: Simplify right side
    7,480.40x = 24,866,522.69
  5. Step 5: Solve for x
    x = 24,866,522.69/7,480.40
  6. Step 6: Final answer
    x = 3,324.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.