Home / 5,539.88-7,640.70-3,550.62

Finding the Fourth Proportional to 5,539.88, 7,640.70 and 3,550.62

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Solution

The fourth proportional to 5,539.88, 7,640.70 and 3,550.62 is: 4,897.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.88 : 7,640.70 = 3,550.62 : x
  2. Step 2: Convert to fraction form
    5,539.88/7,640.70 = 3,550.62/x
  3. Step 3: Cross multiply
    5,539.88x = 7,640.70 × 3,550.62
  4. Step 4: Simplify right side
    5,539.88x = 27,129,235.55
  5. Step 5: Solve for x
    x = 27,129,235.55/5,539.88
  6. Step 6: Final answer
    x = 4,897.08

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1.5x scale

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.