Home / 6,343.13-9,516.14-3,421.37

Finding the Fourth Proportional to 6,343.13, 9,516.14 and 3,421.37

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Solution

The fourth proportional to 6,343.13, 9,516.14 and 3,421.37 is: 5,132.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343.13 : 9,516.14 = 3,421.37 : x
  2. Step 2: Convert to fraction form
    6,343.13/9,516.14 = 3,421.37/x
  3. Step 3: Cross multiply
    6,343.13x = 9,516.14 × 3,421.37
  4. Step 4: Simplify right side
    6,343.13x = 32,558,235.91
  5. Step 5: Solve for x
    x = 32,558,235.91/6,343.13
  6. Step 6: Final answer
    x = 5,132.83

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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.