Home / 6,680.60-9,218.43-3,696.03

Finding the Fourth Proportional to 6,680.60, 9,218.43 and 3,696.03

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Solution

The fourth proportional to 6,680.60, 9,218.43 and 3,696.03 is: 5,100.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.60 : 9,218.43 = 3,696.03 : x
  2. Step 2: Convert to fraction form
    6,680.60/9,218.43 = 3,696.03/x
  3. Step 3: Cross multiply
    6,680.60x = 9,218.43 × 3,696.03
  4. Step 4: Simplify right side
    6,680.60x = 34,071,604.23
  5. Step 5: Solve for x
    x = 34,071,604.23/6,680.60
  6. Step 6: Final answer
    x = 5,100.08

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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.