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Finding the Fourth Proportional to 6,797.80, 9,380.88 and 3,813.92

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Solution

The fourth proportional to 6,797.80, 9,380.88 and 3,813.92 is: 5,263.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,797.80 : 9,380.88 = 3,813.92 : x
  2. Step 2: Convert to fraction form
    6,797.80/9,380.88 = 3,813.92/x
  3. Step 3: Cross multiply
    6,797.80x = 9,380.88 × 3,813.92
  4. Step 4: Simplify right side
    6,797.80x = 35,777,925.85
  5. Step 5: Solve for x
    x = 35,777,925.85/6,797.80
  6. Step 6: Final answer
    x = 5,263.16

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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.