Home / 6,327.59-9,491.51-2,172.38

Finding the Fourth Proportional to 6,327.59, 9,491.51 and 2,172.38

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Solution

The fourth proportional to 6,327.59, 9,491.51 and 2,172.38 is: 3,258.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,327.59 : 9,491.51 = 2,172.38 : x
  2. Step 2: Convert to fraction form
    6,327.59/9,491.51 = 2,172.38/x
  3. Step 3: Cross multiply
    6,327.59x = 9,491.51 × 2,172.38
  4. Step 4: Simplify right side
    6,327.59x = 20,619,124.47
  5. Step 5: Solve for x
    x = 20,619,124.47/6,327.59
  6. Step 6: Final answer
    x = 3,258.61

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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.