Home / 6,318.44-9,479.69-3,031.76

Finding the Fourth Proportional to 6,318.44, 9,479.69 and 3,031.76

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Solution

The fourth proportional to 6,318.44, 9,479.69 and 3,031.76 is: 4,548.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.44 : 9,479.69 = 3,031.76 : x
  2. Step 2: Convert to fraction form
    6,318.44/9,479.69 = 3,031.76/x
  3. Step 3: Cross multiply
    6,318.44x = 9,479.69 × 3,031.76
  4. Step 4: Simplify right side
    6,318.44x = 28,740,082.40
  5. Step 5: Solve for x
    x = 28,740,082.40/6,318.44
  6. Step 6: Final answer
    x = 4,548.61

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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.