Home / 6,815.05-10,215.28-3,524.83

Finding the Fourth Proportional to 6,815.05, 10,215.28 and 3,524.83

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Solution

The fourth proportional to 6,815.05, 10,215.28 and 3,524.83 is: 5,283.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.05 : 10,215.28 = 3,524.83 : x
  2. Step 2: Convert to fraction form
    6,815.05/10,215.28 = 3,524.83/x
  3. Step 3: Cross multiply
    6,815.05x = 10,215.28 × 3,524.83
  4. Step 4: Simplify right side
    6,815.05x = 36,007,104.27
  5. Step 5: Solve for x
    x = 36,007,104.27/6,815.05
  6. Step 6: Final answer
    x = 5,283.47

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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.