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Finding the Fourth Proportional to 4,458.16, 6,155.22 and 4,179.39

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Solution

The fourth proportional to 4,458.16, 6,155.22 and 4,179.39 is: 5,770.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.16 : 6,155.22 = 4,179.39 : x
  2. Step 2: Convert to fraction form
    4,458.16/6,155.22 = 4,179.39/x
  3. Step 3: Cross multiply
    4,458.16x = 6,155.22 × 4,179.39
  4. Step 4: Simplify right side
    4,458.16x = 25,725,064.92
  5. Step 5: Solve for x
    x = 25,725,064.92/4,458.16
  6. Step 6: Final answer
    x = 5,770.33

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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.