Home / 5,639.26-7,782.44-3,249.59

Finding the Fourth Proportional to 5,639.26, 7,782.44 and 3,249.59

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Solution

The fourth proportional to 5,639.26, 7,782.44 and 3,249.59 is: 4,484.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.26 : 7,782.44 = 3,249.59 : x
  2. Step 2: Convert to fraction form
    5,639.26/7,782.44 = 3,249.59/x
  3. Step 3: Cross multiply
    5,639.26x = 7,782.44 × 3,249.59
  4. Step 4: Simplify right side
    5,639.26x = 25,289,706.63
  5. Step 5: Solve for x
    x = 25,289,706.63/5,639.26
  6. Step 6: Final answer
    x = 4,484.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.