Home / 8,325.18-12,491.64-3,644.57

Finding the Fourth Proportional to 8,325.18, 12,491.64 and 3,644.57

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Solution

The fourth proportional to 8,325.18, 12,491.64 and 3,644.57 is: 5,468.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.18 : 12,491.64 = 3,644.57 : x
  2. Step 2: Convert to fraction form
    8,325.18/12,491.64 = 3,644.57/x
  3. Step 3: Cross multiply
    8,325.18x = 12,491.64 × 3,644.57
  4. Step 4: Simplify right side
    8,325.18x = 45,526,575.71
  5. Step 5: Solve for x
    x = 45,526,575.71/8,325.18
  6. Step 6: Final answer
    x = 5,468.54

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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.