Home / 4,439.86-6,120.17-3,319.09

Finding the Fourth Proportional to 4,439.86, 6,120.17 and 3,319.09

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Solution

The fourth proportional to 4,439.86, 6,120.17 and 3,319.09 is: 4,575.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,439.86 : 6,120.17 = 3,319.09 : x
  2. Step 2: Convert to fraction form
    4,439.86/6,120.17 = 3,319.09/x
  3. Step 3: Cross multiply
    4,439.86x = 6,120.17 × 3,319.09
  4. Step 4: Simplify right side
    4,439.86x = 20,313,378.45
  5. Step 5: Solve for x
    x = 20,313,378.45/4,439.86
  6. Step 6: Final answer
    x = 4,575.23

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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.