Home / 5,348.72-7,381.20-2,958.86

Finding the Fourth Proportional to 5,348.72, 7,381.20 and 2,958.86

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Solution

The fourth proportional to 5,348.72, 7,381.20 and 2,958.86 is: 4,083.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348.72 : 7,381.20 = 2,958.86 : x
  2. Step 2: Convert to fraction form
    5,348.72/7,381.20 = 2,958.86/x
  3. Step 3: Cross multiply
    5,348.72x = 7,381.20 × 2,958.86
  4. Step 4: Simplify right side
    5,348.72x = 21,839,937.43
  5. Step 5: Solve for x
    x = 21,839,937.43/5,348.72
  6. Step 6: Final answer
    x = 4,083.21

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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.