Home / 5,885.32-8,119.42-3,790.66

Finding the Fourth Proportional to 5,885.32, 8,119.42 and 3,790.66

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Solution

The fourth proportional to 5,885.32, 8,119.42 and 3,790.66 is: 5,229.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,885.32 : 8,119.42 = 3,790.66 : x
  2. Step 2: Convert to fraction form
    5,885.32/8,119.42 = 3,790.66/x
  3. Step 3: Cross multiply
    5,885.32x = 8,119.42 × 3,790.66
  4. Step 4: Simplify right side
    5,885.32x = 30,777,960.62
  5. Step 5: Solve for x
    x = 30,777,960.62/5,885.32
  6. Step 6: Final answer
    x = 5,229.62

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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.