Home / 8,239.14-12,363.06-4,343.94

Finding the Fourth Proportional to 8,239.14, 12,363.06 and 4,343.94

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Solution

The fourth proportional to 8,239.14, 12,363.06 and 4,343.94 is: 6,518.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.14 : 12,363.06 = 4,343.94 : x
  2. Step 2: Convert to fraction form
    8,239.14/12,363.06 = 4,343.94/x
  3. Step 3: Cross multiply
    8,239.14x = 12,363.06 × 4,343.94
  4. Step 4: Simplify right side
    8,239.14x = 53,704,390.86
  5. Step 5: Solve for x
    x = 53,704,390.86/8,239.14
  6. Step 6: Final answer
    x = 6,518.20

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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.