Home / 6,930.90-10,397.70-2,000.70

Finding the Fourth Proportional to 6,930.90, 10,397.70 and 2,000.70

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Solution

The fourth proportional to 6,930.90, 10,397.70 and 2,000.70 is: 3,001.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.90 : 10,397.70 = 2,000.70 : x
  2. Step 2: Convert to fraction form
    6,930.90/10,397.70 = 2,000.70/x
  3. Step 3: Cross multiply
    6,930.90x = 10,397.70 × 2,000.70
  4. Step 4: Simplify right side
    6,930.90x = 20,802,678.39
  5. Step 5: Solve for x
    x = 20,802,678.39/6,930.90
  6. Step 6: Final answer
    x = 3,001.44

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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.