Home / 8,155.22-12,232.08-3,772.71

Finding the Fourth Proportional to 8,155.22, 12,232.08 and 3,772.71

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Solution

The fourth proportional to 8,155.22, 12,232.08 and 3,772.71 is: 5,658.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.22 : 12,232.08 = 3,772.71 : x
  2. Step 2: Convert to fraction form
    8,155.22/12,232.08 = 3,772.71/x
  3. Step 3: Cross multiply
    8,155.22x = 12,232.08 × 3,772.71
  4. Step 4: Simplify right side
    8,155.22x = 46,148,090.54
  5. Step 5: Solve for x
    x = 46,148,090.54/8,155.22
  6. Step 6: Final answer
    x = 5,658.72

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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.