Home / 8,813.34-13,220.81-3,881.82

Finding the Fourth Proportional to 8,813.34, 13,220.81 and 3,881.82

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Solution

The fourth proportional to 8,813.34, 13,220.81 and 3,881.82 is: 5,823.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.34 : 13,220.81 = 3,881.82 : x
  2. Step 2: Convert to fraction form
    8,813.34/13,220.81 = 3,881.82/x
  3. Step 3: Cross multiply
    8,813.34x = 13,220.81 × 3,881.82
  4. Step 4: Simplify right side
    8,813.34x = 51,320,748.27
  5. Step 5: Solve for x
    x = 51,320,748.27/8,813.34
  6. Step 6: Final answer
    x = 5,823.07

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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.