Home / 5,297.38-7,310.34-2,939.52

Finding the Fourth Proportional to 5,297.38, 7,310.34 and 2,939.52

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Solution

The fourth proportional to 5,297.38, 7,310.34 and 2,939.52 is: 4,056.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297.38 : 7,310.34 = 2,939.52 : x
  2. Step 2: Convert to fraction form
    5,297.38/7,310.34 = 2,939.52/x
  3. Step 3: Cross multiply
    5,297.38x = 7,310.34 × 2,939.52
  4. Step 4: Simplify right side
    5,297.38x = 21,488,890.64
  5. Step 5: Solve for x
    x = 21,488,890.64/5,297.38
  6. Step 6: Final answer
    x = 4,056.51

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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.