Home / 8,172.92-12,262.65-3,732.68

Finding the Fourth Proportional to 8,172.92, 12,262.65 and 3,732.68

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Solution

The fourth proportional to 8,172.92, 12,262.65 and 3,732.68 is: 5,600.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.92 : 12,262.65 = 3,732.68 : x
  2. Step 2: Convert to fraction form
    8,172.92/12,262.65 = 3,732.68/x
  3. Step 3: Cross multiply
    8,172.92x = 12,262.65 × 3,732.68
  4. Step 4: Simplify right side
    8,172.92x = 45,772,548.40
  5. Step 5: Solve for x
    x = 45,772,548.40/8,172.92
  6. Step 6: Final answer
    x = 5,600.51

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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.