Home / 8,329.25-11,474.60-5,806.80

Finding the Fourth Proportional to 8,329.25, 11,474.60 and 5,806.80

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Solution

The fourth proportional to 8,329.25, 11,474.60 and 5,806.80 is: 7,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,329.25 : 11,474.60 = 5,806.80 : x
  2. Step 2: Convert to fraction form
    8,329.25/11,474.60 = 5,806.80/x
  3. Step 3: Cross multiply
    8,329.25x = 11,474.60 × 5,806.80
  4. Step 4: Simplify right side
    8,329.25x = 66,630,678.25
  5. Step 5: Solve for x
    x = 66,630,678.25/8,329.25
  6. Step 6: Final answer
    x = 7,999.60

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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.