Home / 8,827.90-13,202.96-5,120.54

Finding the Fourth Proportional to 8,827.90, 13,202.96 and 5,120.54

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Solution

The fourth proportional to 8,827.90, 13,202.96 and 5,120.54 is: 7,658.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,827.90 : 13,202.96 = 5,120.54 : x
  2. Step 2: Convert to fraction form
    8,827.90/13,202.96 = 5,120.54/x
  3. Step 3: Cross multiply
    8,827.90x = 13,202.96 × 5,120.54
  4. Step 4: Simplify right side
    8,827.90x = 67,606,284.80
  5. Step 5: Solve for x
    x = 67,606,284.80/8,827.90
  6. Step 6: Final answer
    x = 7,658.25

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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.