Home / 4,179.49-6,269.27-3,398.58

Finding the Fourth Proportional to 4,179.49, 6,269.27 and 3,398.58

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Solution

The fourth proportional to 4,179.49, 6,269.27 and 3,398.58 is: 5,097.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.49 : 6,269.27 = 3,398.58 : x
  2. Step 2: Convert to fraction form
    4,179.49/6,269.27 = 3,398.58/x
  3. Step 3: Cross multiply
    4,179.49x = 6,269.27 × 3,398.58
  4. Step 4: Simplify right side
    4,179.49x = 21,306,598.64
  5. Step 5: Solve for x
    x = 21,306,598.64/4,179.49
  6. Step 6: Final answer
    x = 5,097.90

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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.