Home / 6,818.19-10,212.29-5,634.78

Finding the Fourth Proportional to 6,818.19, 10,212.29 and 5,634.78

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Solution

The fourth proportional to 6,818.19, 10,212.29 and 5,634.78 is: 8,439.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.19 : 10,212.29 = 5,634.78 : x
  2. Step 2: Convert to fraction form
    6,818.19/10,212.29 = 5,634.78/x
  3. Step 3: Cross multiply
    6,818.19x = 10,212.29 × 5,634.78
  4. Step 4: Simplify right side
    6,818.19x = 57,544,007.45
  5. Step 5: Solve for x
    x = 57,544,007.45/6,818.19
  6. Step 6: Final answer
    x = 8,439.78

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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.