Home / 6,811.32-9,396.90-4,292.76

Finding the Fourth Proportional to 6,811.32, 9,396.90 and 4,292.76

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Solution

The fourth proportional to 6,811.32, 9,396.90 and 4,292.76 is: 5,922.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.32 : 9,396.90 = 4,292.76 : x
  2. Step 2: Convert to fraction form
    6,811.32/9,396.90 = 4,292.76/x
  3. Step 3: Cross multiply
    6,811.32x = 9,396.90 × 4,292.76
  4. Step 4: Simplify right side
    6,811.32x = 40,338,636.44
  5. Step 5: Solve for x
    x = 40,338,636.44/6,811.32
  6. Step 6: Final answer
    x = 5,922.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.