Home / 6,814.47-10,219.53-2,196.39

Finding the Fourth Proportional to 6,814.47, 10,219.53 and 2,196.39

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Solution

The fourth proportional to 6,814.47, 10,219.53 and 2,196.39 is: 3,293.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,814.47 : 10,219.53 = 2,196.39 : x
  2. Step 2: Convert to fraction form
    6,814.47/10,219.53 = 2,196.39/x
  3. Step 3: Cross multiply
    6,814.47x = 10,219.53 × 2,196.39
  4. Step 4: Simplify right side
    6,814.47x = 22,446,073.50
  5. Step 5: Solve for x
    x = 22,446,073.50/6,814.47
  6. Step 6: Final answer
    x = 3,293.88

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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.