Home / 4,179.87-6,269.85-1,712.97

Finding the Fourth Proportional to 4,179.87, 6,269.85 and 1,712.97

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Solution

The fourth proportional to 4,179.87, 6,269.85 and 1,712.97 is: 2,569.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.87 : 6,269.85 = 1,712.97 : x
  2. Step 2: Convert to fraction form
    4,179.87/6,269.85 = 1,712.97/x
  3. Step 3: Cross multiply
    4,179.87x = 6,269.85 × 1,712.97
  4. Step 4: Simplify right side
    4,179.87x = 10,740,064.95
  5. Step 5: Solve for x
    x = 10,740,064.95/4,179.87
  6. Step 6: Final answer
    x = 2,569.47

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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.