Home / 8,103.48-12,155.25-5,472.93

Finding the Fourth Proportional to 8,103.48, 12,155.25 and 5,472.93

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Solution

The fourth proportional to 8,103.48, 12,155.25 and 5,472.93 is: 8,209.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103.48 : 12,155.25 = 5,472.93 : x
  2. Step 2: Convert to fraction form
    8,103.48/12,155.25 = 5,472.93/x
  3. Step 3: Cross multiply
    8,103.48x = 12,155.25 × 5,472.93
  4. Step 4: Simplify right side
    8,103.48x = 66,524,832.38
  5. Step 5: Solve for x
    x = 66,524,832.38/8,103.48
  6. Step 6: Final answer
    x = 8,209.42

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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.