Home / 5,580.52-7,696.44-3,692.20

Finding the Fourth Proportional to 5,580.52, 7,696.44 and 3,692.20

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Solution

The fourth proportional to 5,580.52, 7,696.44 and 3,692.20 is: 5,092.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.52 : 7,696.44 = 3,692.20 : x
  2. Step 2: Convert to fraction form
    5,580.52/7,696.44 = 3,692.20/x
  3. Step 3: Cross multiply
    5,580.52x = 7,696.44 × 3,692.20
  4. Step 4: Simplify right side
    5,580.52x = 28,416,795.77
  5. Step 5: Solve for x
    x = 28,416,795.77/5,580.52
  6. Step 6: Final answer
    x = 5,092.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.