Home / 8,166.25-11,269.44-4,629.79

Finding the Fourth Proportional to 8,166.25, 11,269.44 and 4,629.79

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Solution

The fourth proportional to 8,166.25, 11,269.44 and 4,629.79 is: 6,389.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.25 : 11,269.44 = 4,629.79 : x
  2. Step 2: Convert to fraction form
    8,166.25/11,269.44 = 4,629.79/x
  3. Step 3: Cross multiply
    8,166.25x = 11,269.44 × 4,629.79
  4. Step 4: Simplify right side
    8,166.25x = 52,175,140.62
  5. Step 5: Solve for x
    x = 52,175,140.62/8,166.25
  6. Step 6: Final answer
    x = 6,389.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.