Home / 6,818.50-9,407.91-3,833.74

Finding the Fourth Proportional to 6,818.50, 9,407.91 and 3,833.74

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Solution

The fourth proportional to 6,818.50, 9,407.91 and 3,833.74 is: 5,289.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.50 : 9,407.91 = 3,833.74 : x
  2. Step 2: Convert to fraction form
    6,818.50/9,407.91 = 3,833.74/x
  3. Step 3: Cross multiply
    6,818.50x = 9,407.91 × 3,833.74
  4. Step 4: Simplify right side
    6,818.50x = 36,067,480.88
  5. Step 5: Solve for x
    x = 36,067,480.88/6,818.50
  6. Step 6: Final answer
    x = 5,289.65

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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.