Home / 6,785.58-10,168.65-3,857.70

Finding the Fourth Proportional to 6,785.58, 10,168.65 and 3,857.70

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Solution

The fourth proportional to 6,785.58, 10,168.65 and 3,857.70 is: 5,781.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,785.58 : 10,168.65 = 3,857.70 : x
  2. Step 2: Convert to fraction form
    6,785.58/10,168.65 = 3,857.70/x
  3. Step 3: Cross multiply
    6,785.58x = 10,168.65 × 3,857.70
  4. Step 4: Simplify right side
    6,785.58x = 39,227,601.11
  5. Step 5: Solve for x
    x = 39,227,601.11/6,785.58
  6. Step 6: Final answer
    x = 5,781.02

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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.