Home / 5,128.05-7,692.46-1,841.18

Finding the Fourth Proportional to 5,128.05, 7,692.46 and 1,841.18

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Solution

The fourth proportional to 5,128.05, 7,692.46 and 1,841.18 is: 2,761.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128.05 : 7,692.46 = 1,841.18 : x
  2. Step 2: Convert to fraction form
    5,128.05/7,692.46 = 1,841.18/x
  3. Step 3: Cross multiply
    5,128.05x = 7,692.46 × 1,841.18
  4. Step 4: Simplify right side
    5,128.05x = 14,163,160.44
  5. Step 5: Solve for x
    x = 14,163,160.44/5,128.05
  6. Step 6: Final answer
    x = 2,761.90

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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.