Home / 6,930.87-10,396.36-2,771.23

Finding the Fourth Proportional to 6,930.87, 10,396.36 and 2,771.23

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Solution

The fourth proportional to 6,930.87, 10,396.36 and 2,771.23 is: 4,156.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.87 : 10,396.36 = 2,771.23 : x
  2. Step 2: Convert to fraction form
    6,930.87/10,396.36 = 2,771.23/x
  3. Step 3: Cross multiply
    6,930.87x = 10,396.36 × 2,771.23
  4. Step 4: Simplify right side
    6,930.87x = 28,810,690.87
  5. Step 5: Solve for x
    x = 28,810,690.87/6,930.87
  6. Step 6: Final answer
    x = 4,156.86

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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.