Home / 5,872.14-8,108.10-3,885.48

Finding the Fourth Proportional to 5,872.14, 8,108.10 and 3,885.48

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Solution

The fourth proportional to 5,872.14, 8,108.10 and 3,885.48 is: 5,364.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.14 : 8,108.10 = 3,885.48 : x
  2. Step 2: Convert to fraction form
    5,872.14/8,108.10 = 3,885.48/x
  3. Step 3: Cross multiply
    5,872.14x = 8,108.10 × 3,885.48
  4. Step 4: Simplify right side
    5,872.14x = 31,503,860.39
  5. Step 5: Solve for x
    x = 31,503,860.39/5,872.14
  6. Step 6: Final answer
    x = 5,364.97

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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.