Home / 7,664.43-11,497.46-3,280.71

Finding the Fourth Proportional to 7,664.43, 11,497.46 and 3,280.71

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Solution

The fourth proportional to 7,664.43, 11,497.46 and 3,280.71 is: 4,921.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.43 : 11,497.46 = 3,280.71 : x
  2. Step 2: Convert to fraction form
    7,664.43/11,497.46 = 3,280.71/x
  3. Step 3: Cross multiply
    7,664.43x = 11,497.46 × 3,280.71
  4. Step 4: Simplify right side
    7,664.43x = 37,719,815.59
  5. Step 5: Solve for x
    x = 37,719,815.59/7,664.43
  6. Step 6: Final answer
    x = 4,921.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.