Home / 7,488.20-11,223.18-5,297.56

Finding the Fourth Proportional to 7,488.20, 11,223.18 and 5,297.56

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Solution

The fourth proportional to 7,488.20, 11,223.18 and 5,297.56 is: 7,939.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.20 : 11,223.18 = 5,297.56 : x
  2. Step 2: Convert to fraction form
    7,488.20/11,223.18 = 5,297.56/x
  3. Step 3: Cross multiply
    7,488.20x = 11,223.18 × 5,297.56
  4. Step 4: Simplify right side
    7,488.20x = 59,455,469.44
  5. Step 5: Solve for x
    x = 59,455,469.44/7,488.20
  6. Step 6: Final answer
    x = 7,939.89

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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.