Home / 5,144.69-7,717.01-1,249.13

Finding the Fourth Proportional to 5,144.69, 7,717.01 and 1,249.13

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Solution

The fourth proportional to 5,144.69, 7,717.01 and 1,249.13 is: 1,873.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.69 : 7,717.01 = 1,249.13 : x
  2. Step 2: Convert to fraction form
    5,144.69/7,717.01 = 1,249.13/x
  3. Step 3: Cross multiply
    5,144.69x = 7,717.01 × 1,249.13
  4. Step 4: Simplify right side
    5,144.69x = 9,639,503.87
  5. Step 5: Solve for x
    x = 9,639,503.87/5,144.69
  6. Step 6: Final answer
    x = 1,873.68

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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.