Home / 7,488.03-11,183.41-7,040.91

Finding the Fourth Proportional to 7,488.03, 11,183.41 and 7,040.91

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Solution

The fourth proportional to 7,488.03, 11,183.41 and 7,040.91 is: 10,515.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.03 : 11,183.41 = 7,040.91 : x
  2. Step 2: Convert to fraction form
    7,488.03/11,183.41 = 7,040.91/x
  3. Step 3: Cross multiply
    7,488.03x = 11,183.41 × 7,040.91
  4. Step 4: Simplify right side
    7,488.03x = 78,741,292.18
  5. Step 5: Solve for x
    x = 78,741,292.18/7,488.03
  6. Step 6: Final answer
    x = 10,515.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.