Home / 6,669.39-9,203.61-3,685.19

Finding the Fourth Proportional to 6,669.39, 9,203.61 and 3,685.19

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Solution

The fourth proportional to 6,669.39, 9,203.61 and 3,685.19 is: 5,085.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,669.39 : 9,203.61 = 3,685.19 : x
  2. Step 2: Convert to fraction form
    6,669.39/9,203.61 = 3,685.19/x
  3. Step 3: Cross multiply
    6,669.39x = 9,203.61 × 3,685.19
  4. Step 4: Simplify right side
    6,669.39x = 33,917,051.54
  5. Step 5: Solve for x
    x = 33,917,051.54/6,669.39
  6. Step 6: Final answer
    x = 5,085.48

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Half scale
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Double scale
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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.