Home / 7,661.49-11,488.45-4,499.73

Finding the Fourth Proportional to 7,661.49, 11,488.45 and 4,499.73

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Solution

The fourth proportional to 7,661.49, 11,488.45 and 4,499.73 is: 6,747.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.49 : 11,488.45 = 4,499.73 : x
  2. Step 2: Convert to fraction form
    7,661.49/11,488.45 = 4,499.73/x
  3. Step 3: Cross multiply
    7,661.49x = 11,488.45 × 4,499.73
  4. Step 4: Simplify right side
    7,661.49x = 51,694,923.12
  5. Step 5: Solve for x
    x = 51,694,923.12/7,661.49
  6. Step 6: Final answer
    x = 6,747.37

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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.