Home / 6,311.18-8,708.77-3,659.46

Finding the Fourth Proportional to 6,311.18, 8,708.77 and 3,659.46

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Solution

The fourth proportional to 6,311.18, 8,708.77 and 3,659.46 is: 5,049.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,311.18 : 8,708.77 = 3,659.46 : x
  2. Step 2: Convert to fraction form
    6,311.18/8,708.77 = 3,659.46/x
  3. Step 3: Cross multiply
    6,311.18x = 8,708.77 × 3,659.46
  4. Step 4: Simplify right side
    6,311.18x = 31,869,395.46
  5. Step 5: Solve for x
    x = 31,869,395.46/6,311.18
  6. Step 6: Final answer
    x = 5,049.67

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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.