Home / 4,845.88-6,688.71-3,144.34

Finding the Fourth Proportional to 4,845.88, 6,688.71 and 3,144.34

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Solution

The fourth proportional to 4,845.88, 6,688.71 and 3,144.34 is: 4,340.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845.88 : 6,688.71 = 3,144.34 : x
  2. Step 2: Convert to fraction form
    4,845.88/6,688.71 = 3,144.34/x
  3. Step 3: Cross multiply
    4,845.88x = 6,688.71 × 3,144.34
  4. Step 4: Simplify right side
    4,845.88x = 21,031,578.40
  5. Step 5: Solve for x
    x = 21,031,578.40/4,845.88
  6. Step 6: Final answer
    x = 4,340.09

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Double scale
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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.