Home / 8,151.26-12,225.30-2,603.12

Finding the Fourth Proportional to 8,151.26, 12,225.30 and 2,603.12

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Solution

The fourth proportional to 8,151.26, 12,225.30 and 2,603.12 is: 3,904.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.26 : 12,225.30 = 2,603.12 : x
  2. Step 2: Convert to fraction form
    8,151.26/12,225.30 = 2,603.12/x
  3. Step 3: Cross multiply
    8,151.26x = 12,225.30 × 2,603.12
  4. Step 4: Simplify right side
    8,151.26x = 31,823,922.94
  5. Step 5: Solve for x
    x = 31,823,922.94/8,151.26
  6. Step 6: Final answer
    x = 3,904.17

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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.