Home / 5,129.49-7,692.35-1,841.70

Finding the Fourth Proportional to 5,129.49, 7,692.35 and 1,841.70

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Solution

The fourth proportional to 5,129.49, 7,692.35 and 1,841.70 is: 2,761.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129.49 : 7,692.35 = 1,841.70 : x
  2. Step 2: Convert to fraction form
    5,129.49/7,692.35 = 1,841.70/x
  3. Step 3: Cross multiply
    5,129.49x = 7,692.35 × 1,841.70
  4. Step 4: Simplify right side
    5,129.49x = 14,166,991.79
  5. Step 5: Solve for x
    x = 14,166,991.79/5,129.49
  6. Step 6: Final answer
    x = 2,761.87

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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.