Home / 4,147.39-6,224.73-2,688.18

Finding the Fourth Proportional to 4,147.39, 6,224.73 and 2,688.18

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Solution

The fourth proportional to 4,147.39, 6,224.73 and 2,688.18 is: 4,034.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.39 : 6,224.73 = 2,688.18 : x
  2. Step 2: Convert to fraction form
    4,147.39/6,224.73 = 2,688.18/x
  3. Step 3: Cross multiply
    4,147.39x = 6,224.73 × 2,688.18
  4. Step 4: Simplify right side
    4,147.39x = 16,733,194.69
  5. Step 5: Solve for x
    x = 16,733,194.69/4,147.39
  6. Step 6: Final answer
    x = 4,034.63

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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.