Home / 5,286.42-7,297.80-3,299.91

Finding the Fourth Proportional to 5,286.42, 7,297.80 and 3,299.91

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Solution

The fourth proportional to 5,286.42, 7,297.80 and 3,299.91 is: 4,555.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.42 : 7,297.80 = 3,299.91 : x
  2. Step 2: Convert to fraction form
    5,286.42/7,297.80 = 3,299.91/x
  3. Step 3: Cross multiply
    5,286.42x = 7,297.80 × 3,299.91
  4. Step 4: Simplify right side
    5,286.42x = 24,082,083.20
  5. Step 5: Solve for x
    x = 24,082,083.20/5,286.42
  6. Step 6: Final answer
    x = 4,555.46

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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.