Home / 6,668.73-9,203.40-3,685.15

Finding the Fourth Proportional to 6,668.73, 9,203.40 and 3,685.15

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Solution

The fourth proportional to 6,668.73, 9,203.40 and 3,685.15 is: 5,085.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668.73 : 9,203.40 = 3,685.15 : x
  2. Step 2: Convert to fraction form
    6,668.73/9,203.40 = 3,685.15/x
  3. Step 3: Cross multiply
    6,668.73x = 9,203.40 × 3,685.15
  4. Step 4: Simplify right side
    6,668.73x = 33,915,858.88
  5. Step 5: Solve for x
    x = 33,915,858.88/6,668.73
  6. Step 6: Final answer
    x = 5,085.80

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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.