Home / 5,286.20-7,298.09-3,299.46

Finding the Fourth Proportional to 5,286.20, 7,298.09 and 3,299.46

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Solution

The fourth proportional to 5,286.20, 7,298.09 and 3,299.46 is: 4,555.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.20 : 7,298.09 = 3,299.46 : x
  2. Step 2: Convert to fraction form
    5,286.20/7,298.09 = 3,299.46/x
  3. Step 3: Cross multiply
    5,286.20x = 7,298.09 × 3,299.46
  4. Step 4: Simplify right side
    5,286.20x = 24,079,739.53
  5. Step 5: Solve for x
    x = 24,079,739.53/5,286.20
  6. Step 6: Final answer
    x = 4,555.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.