Home / 6,930.50-10,387.98-2,769.44

Finding the Fourth Proportional to 6,930.50, 10,387.98 and 2,769.44

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Solution

The fourth proportional to 6,930.50, 10,387.98 and 2,769.44 is: 4,151.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.50 : 10,387.98 = 2,769.44 : x
  2. Step 2: Convert to fraction form
    6,930.50/10,387.98 = 2,769.44/x
  3. Step 3: Cross multiply
    6,930.50x = 10,387.98 × 2,769.44
  4. Step 4: Simplify right side
    6,930.50x = 28,768,887.33
  5. Step 5: Solve for x
    x = 28,768,887.33/6,930.50
  6. Step 6: Final answer
    x = 4,151.06

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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.