Home / 8,327.36-12,491.04-4,172.47

Finding the Fourth Proportional to 8,327.36, 12,491.04 and 4,172.47

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Solution

The fourth proportional to 8,327.36, 12,491.04 and 4,172.47 is: 6,258.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,327.36 : 12,491.04 = 4,172.47 : x
  2. Step 2: Convert to fraction form
    8,327.36/12,491.04 = 4,172.47/x
  3. Step 3: Cross multiply
    8,327.36x = 12,491.04 × 4,172.47
  4. Step 4: Simplify right side
    8,327.36x = 52,118,489.67
  5. Step 5: Solve for x
    x = 52,118,489.67/8,327.36
  6. Step 6: Final answer
    x = 6,258.71

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Similar ratio
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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.