Home / 6,800.14-10,178.32-3,508.70

Finding the Fourth Proportional to 6,800.14, 10,178.32 and 3,508.70

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Solution

The fourth proportional to 6,800.14, 10,178.32 and 3,508.70 is: 5,251.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,800.14 : 10,178.32 = 3,508.70 : x
  2. Step 2: Convert to fraction form
    6,800.14/10,178.32 = 3,508.70/x
  3. Step 3: Cross multiply
    6,800.14x = 10,178.32 × 3,508.70
  4. Step 4: Simplify right side
    6,800.14x = 35,712,671.38
  5. Step 5: Solve for x
    x = 35,712,671.38/6,800.14
  6. Step 6: Final answer
    x = 5,251.76

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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.