Home / 8,128.03-12,192.09-2,284.69

Finding the Fourth Proportional to 8,128.03, 12,192.09 and 2,284.69

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Solution

The fourth proportional to 8,128.03, 12,192.09 and 2,284.69 is: 3,427.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,128.03 : 12,192.09 = 2,284.69 : x
  2. Step 2: Convert to fraction form
    8,128.03/12,192.09 = 2,284.69/x
  3. Step 3: Cross multiply
    8,128.03x = 12,192.09 × 2,284.69
  4. Step 4: Simplify right side
    8,128.03x = 27,855,146.10
  5. Step 5: Solve for x
    x = 27,855,146.10/8,128.03
  6. Step 6: Final answer
    x = 3,427.05

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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.