Home / 4,786.69-7,180.05-1,499.79

Finding the Fourth Proportional to 4,786.69, 7,180.05 and 1,499.79

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Solution

The fourth proportional to 4,786.69, 7,180.05 and 1,499.79 is: 2,249.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.69 : 7,180.05 = 1,499.79 : x
  2. Step 2: Convert to fraction form
    4,786.69/7,180.05 = 1,499.79/x
  3. Step 3: Cross multiply
    4,786.69x = 7,180.05 × 1,499.79
  4. Step 4: Simplify right side
    4,786.69x = 10,768,567.19
  5. Step 5: Solve for x
    x = 10,768,567.19/4,786.69
  6. Step 6: Final answer
    x = 2,249.69

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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.