Home / 9,228.80-12,733.30-5,249.27

Finding the Fourth Proportional to 9,228.80, 12,733.30 and 5,249.27

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Solution

The fourth proportional to 9,228.80, 12,733.30 and 5,249.27 is: 7,242.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,228.80 : 12,733.30 = 5,249.27 : x
  2. Step 2: Convert to fraction form
    9,228.80/12,733.30 = 5,249.27/x
  3. Step 3: Cross multiply
    9,228.80x = 12,733.30 × 5,249.27
  4. Step 4: Simplify right side
    9,228.80x = 66,840,568.09
  5. Step 5: Solve for x
    x = 66,840,568.09/9,228.80
  6. Step 6: Final answer
    x = 7,242.60

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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.