Home / 6,808.30-9,394.88-4,120.52

Finding the Fourth Proportional to 6,808.30, 9,394.88 and 4,120.52

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Solution

The fourth proportional to 6,808.30, 9,394.88 and 4,120.52 is: 5,685.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,808.30 : 9,394.88 = 4,120.52 : x
  2. Step 2: Convert to fraction form
    6,808.30/9,394.88 = 4,120.52/x
  3. Step 3: Cross multiply
    6,808.30x = 9,394.88 × 4,120.52
  4. Step 4: Simplify right side
    6,808.30x = 38,711,790.94
  5. Step 5: Solve for x
    x = 38,711,790.94/6,808.30
  6. Step 6: Final answer
    x = 5,685.97

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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.