Home / 6,818.50-10,226.56-1,820.94

Finding the Fourth Proportional to 6,818.50, 10,226.56 and 1,820.94

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Solution

The fourth proportional to 6,818.50, 10,226.56 and 1,820.94 is: 2,731.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.50 : 10,226.56 = 1,820.94 : x
  2. Step 2: Convert to fraction form
    6,818.50/10,226.56 = 1,820.94/x
  3. Step 3: Cross multiply
    6,818.50x = 10,226.56 × 1,820.94
  4. Step 4: Simplify right side
    6,818.50x = 18,621,952.17
  5. Step 5: Solve for x
    x = 18,621,952.17/6,818.50
  6. Step 6: Final answer
    x = 2,731.09

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Double scale
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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.