Home / 4,821.32-7,228.26-2,221.16

Finding the Fourth Proportional to 4,821.32, 7,228.26 and 2,221.16

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Solution

The fourth proportional to 4,821.32, 7,228.26 and 2,221.16 is: 3,330.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.32 : 7,228.26 = 2,221.16 : x
  2. Step 2: Convert to fraction form
    4,821.32/7,228.26 = 2,221.16/x
  3. Step 3: Cross multiply
    4,821.32x = 7,228.26 × 2,221.16
  4. Step 4: Simplify right side
    4,821.32x = 16,055,121.98
  5. Step 5: Solve for x
    x = 16,055,121.98/4,821.32
  6. Step 6: Final answer
    x = 3,330.03

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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.