Home / 8,149.13-12,222.68-2,603.06

Finding the Fourth Proportional to 8,149.13, 12,222.68 and 2,603.06

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Solution

The fourth proportional to 8,149.13, 12,222.68 and 2,603.06 is: 3,904.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.13 : 12,222.68 = 2,603.06 : x
  2. Step 2: Convert to fraction form
    8,149.13/12,222.68 = 2,603.06/x
  3. Step 3: Cross multiply
    8,149.13x = 12,222.68 × 2,603.06
  4. Step 4: Simplify right side
    8,149.13x = 31,816,369.40
  5. Step 5: Solve for x
    x = 31,816,369.40/8,149.13
  6. Step 6: Final answer
    x = 3,904.27

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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.