Home / 5,128.00-7,692.03-1,841.12

Finding the Fourth Proportional to 5,128.00, 7,692.03 and 1,841.12

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Solution

The fourth proportional to 5,128.00, 7,692.03 and 1,841.12 is: 2,761.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128.00 : 7,692.03 = 1,841.12 : x
  2. Step 2: Convert to fraction form
    5,128.00/7,692.03 = 1,841.12/x
  3. Step 3: Cross multiply
    5,128.00x = 7,692.03 × 1,841.12
  4. Step 4: Simplify right side
    5,128.00x = 14,161,940.66
  5. Step 5: Solve for x
    x = 14,161,940.66/5,128.00
  6. Step 6: Final answer
    x = 2,761.69

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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.