Home / 6,318.70-8,708.17-5,063.91

Finding the Fourth Proportional to 6,318.70, 8,708.17 and 5,063.91

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Solution

The fourth proportional to 6,318.70, 8,708.17 and 5,063.91 is: 6,978.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.70 : 8,708.17 = 5,063.91 : x
  2. Step 2: Convert to fraction form
    6,318.70/8,708.17 = 5,063.91/x
  3. Step 3: Cross multiply
    6,318.70x = 8,708.17 × 5,063.91
  4. Step 4: Simplify right side
    6,318.70x = 44,097,389.14
  5. Step 5: Solve for x
    x = 44,097,389.14/6,318.70
  6. Step 6: Final answer
    x = 6,978.87

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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.