Home / 5,760.34-8,640.09-2,249.69

Finding the Fourth Proportional to 5,760.34, 8,640.09 and 2,249.69

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Solution

The fourth proportional to 5,760.34, 8,640.09 and 2,249.69 is: 3,374.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,760.34 : 8,640.09 = 2,249.69 : x
  2. Step 2: Convert to fraction form
    5,760.34/8,640.09 = 2,249.69/x
  3. Step 3: Cross multiply
    5,760.34x = 8,640.09 × 2,249.69
  4. Step 4: Simplify right side
    5,760.34x = 19,437,480.87
  5. Step 5: Solve for x
    x = 19,437,480.87/5,760.34
  6. Step 6: Final answer
    x = 3,374.36

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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.