Home / 6,818.83-10,228.38-2,138.74

Finding the Fourth Proportional to 6,818.83, 10,228.38 and 2,138.74

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Solution

The fourth proportional to 6,818.83, 10,228.38 and 2,138.74 is: 3,208.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.83 : 10,228.38 = 2,138.74 : x
  2. Step 2: Convert to fraction form
    6,818.83/10,228.38 = 2,138.74/x
  3. Step 3: Cross multiply
    6,818.83x = 10,228.38 × 2,138.74
  4. Step 4: Simplify right side
    6,818.83x = 21,875,811.85
  5. Step 5: Solve for x
    x = 21,875,811.85/6,818.83
  6. Step 6: Final answer
    x = 3,208.15

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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.