Home / 5,381.91-8,079.89-4,150.17

Finding the Fourth Proportional to 5,381.91, 8,079.89 and 4,150.17

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Solution

The fourth proportional to 5,381.91, 8,079.89 and 4,150.17 is: 6,230.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.91 : 8,079.89 = 4,150.17 : x
  2. Step 2: Convert to fraction form
    5,381.91/8,079.89 = 4,150.17/x
  3. Step 3: Cross multiply
    5,381.91x = 8,079.89 × 4,150.17
  4. Step 4: Simplify right side
    5,381.91x = 33,532,896.33
  5. Step 5: Solve for x
    x = 33,532,896.33/5,381.91
  6. Step 6: Final answer
    x = 6,230.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.