Home / 8,769.66-13,149.60-3,569.46

Finding the Fourth Proportional to 8,769.66, 13,149.60 and 3,569.46

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Solution

The fourth proportional to 8,769.66, 13,149.60 and 3,569.46 is: 5,352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.66 : 13,149.60 = 3,569.46 : x
  2. Step 2: Convert to fraction form
    8,769.66/13,149.60 = 3,569.46/x
  3. Step 3: Cross multiply
    8,769.66x = 13,149.60 × 3,569.46
  4. Step 4: Simplify right side
    8,769.66x = 46,936,971.22
  5. Step 5: Solve for x
    x = 46,936,971.22/8,769.66
  6. Step 6: Final answer
    x = 5,352.20

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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.