Home / 6,664.84-9,197.49-3,680.80

Finding the Fourth Proportional to 6,664.84, 9,197.49 and 3,680.80

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Solution

The fourth proportional to 6,664.84, 9,197.49 and 3,680.80 is: 5,079.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.84 : 9,197.49 = 3,680.80 : x
  2. Step 2: Convert to fraction form
    6,664.84/9,197.49 = 3,680.80/x
  3. Step 3: Cross multiply
    6,664.84x = 9,197.49 × 3,680.80
  4. Step 4: Simplify right side
    6,664.84x = 33,854,121.19
  5. Step 5: Solve for x
    x = 33,854,121.19/6,664.84
  6. Step 6: Final answer
    x = 5,079.51

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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.