Home / 8,823.55-13,231.81-3,889.69

Finding the Fourth Proportional to 8,823.55, 13,231.81 and 3,889.69

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Solution

The fourth proportional to 8,823.55, 13,231.81 and 3,889.69 is: 5,832.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,823.55 : 13,231.81 = 3,889.69 : x
  2. Step 2: Convert to fraction form
    8,823.55/13,231.81 = 3,889.69/x
  3. Step 3: Cross multiply
    8,823.55x = 13,231.81 × 3,889.69
  4. Step 4: Simplify right side
    8,823.55x = 51,467,588.94
  5. Step 5: Solve for x
    x = 51,467,588.94/8,823.55
  6. Step 6: Final answer
    x = 5,832.98

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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.