Home / 4,449.86-6,143.74-3,439.70

Finding the Fourth Proportional to 4,449.86, 6,143.74 and 3,439.70

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Solution

The fourth proportional to 4,449.86, 6,143.74 and 3,439.70 is: 4,749.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,449.86 : 6,143.74 = 3,439.70 : x
  2. Step 2: Convert to fraction form
    4,449.86/6,143.74 = 3,439.70/x
  3. Step 3: Cross multiply
    4,449.86x = 6,143.74 × 3,439.70
  4. Step 4: Simplify right side
    4,449.86x = 21,132,622.48
  5. Step 5: Solve for x
    x = 21,132,622.48/4,449.86
  6. Step 6: Final answer
    x = 4,749.05

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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.