Home / 7,480.98-11,221.47-2,286.81

Finding the Fourth Proportional to 7,480.98, 11,221.47 and 2,286.81

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Solution

The fourth proportional to 7,480.98, 11,221.47 and 2,286.81 is: 3,430.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.98 : 11,221.47 = 2,286.81 : x
  2. Step 2: Convert to fraction form
    7,480.98/11,221.47 = 2,286.81/x
  3. Step 3: Cross multiply
    7,480.98x = 11,221.47 × 2,286.81
  4. Step 4: Simplify right side
    7,480.98x = 25,661,369.81
  5. Step 5: Solve for x
    x = 25,661,369.81/7,480.98
  6. Step 6: Final answer
    x = 3,430.22

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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.