Home / 5,694.37-7,856.89-3,456.18

Finding the Fourth Proportional to 5,694.37, 7,856.89 and 3,456.18

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Solution

The fourth proportional to 5,694.37, 7,856.89 and 3,456.18 is: 4,768.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,694.37 : 7,856.89 = 3,456.18 : x
  2. Step 2: Convert to fraction form
    5,694.37/7,856.89 = 3,456.18/x
  3. Step 3: Cross multiply
    5,694.37x = 7,856.89 × 3,456.18
  4. Step 4: Simplify right side
    5,694.37x = 27,154,826.08
  5. Step 5: Solve for x
    x = 27,154,826.08/5,694.37
  6. Step 6: Final answer
    x = 4,768.71

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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.