Home / 6,930.88-10,396.32-2,770.60

Finding the Fourth Proportional to 6,930.88, 10,396.32 and 2,770.60

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Solution

The fourth proportional to 6,930.88, 10,396.32 and 2,770.60 is: 4,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.88 : 10,396.32 = 2,770.60 : x
  2. Step 2: Convert to fraction form
    6,930.88/10,396.32 = 2,770.60/x
  3. Step 3: Cross multiply
    6,930.88x = 10,396.32 × 2,770.60
  4. Step 4: Simplify right side
    6,930.88x = 28,804,044.19
  5. Step 5: Solve for x
    x = 28,804,044.19/6,930.88
  6. Step 6: Final answer
    x = 4,155.90

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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.