Home / 6,931.06-10,400.92-2,770.44

Finding the Fourth Proportional to 6,931.06, 10,400.92 and 2,770.44

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Solution

The fourth proportional to 6,931.06, 10,400.92 and 2,770.44 is: 4,157.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.06 : 10,400.92 = 2,770.44 : x
  2. Step 2: Convert to fraction form
    6,931.06/10,400.92 = 2,770.44/x
  3. Step 3: Cross multiply
    6,931.06x = 10,400.92 × 2,770.44
  4. Step 4: Simplify right side
    6,931.06x = 28,815,124.80
  5. Step 5: Solve for x
    x = 28,815,124.80/6,931.06
  6. Step 6: Final answer
    x = 4,157.39

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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.