Home / 6,664.41-9,196.57-3,680.20

Finding the Fourth Proportional to 6,664.41, 9,196.57 and 3,680.20

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Solution

The fourth proportional to 6,664.41, 9,196.57 and 3,680.20 is: 5,078.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.41 : 9,196.57 = 3,680.20 : x
  2. Step 2: Convert to fraction form
    6,664.41/9,196.57 = 3,680.20/x
  3. Step 3: Cross multiply
    6,664.41x = 9,196.57 × 3,680.20
  4. Step 4: Simplify right side
    6,664.41x = 33,845,233.01
  5. Step 5: Solve for x
    x = 33,845,233.01/6,664.41
  6. Step 6: Final answer
    x = 5,078.50

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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.