Home / 6,785.12-10,164-3,397.70

Finding the Fourth Proportional to 6,785.12, 10,164 and 3,397.70

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Solution

The fourth proportional to 6,785.12, 10,164 and 3,397.70 is: 5,089.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,785.12 : 10,164 = 3,397.70 : x
  2. Step 2: Convert to fraction form
    6,785.12/10,164 = 3,397.70/x
  3. Step 3: Cross multiply
    6,785.12x = 10,164 × 3,397.70
  4. Step 4: Simplify right side
    6,785.12x = 34,534,222.80
  5. Step 5: Solve for x
    x = 34,534,222.80/6,785.12
  6. Step 6: Final answer
    x = 5,089.70

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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.