Home / 5,527.09-7,619.88-3,755.62

Finding the Fourth Proportional to 5,527.09, 7,619.88 and 3,755.62

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Solution

The fourth proportional to 5,527.09, 7,619.88 and 3,755.62 is: 5,177.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,527.09 : 7,619.88 = 3,755.62 : x
  2. Step 2: Convert to fraction form
    5,527.09/7,619.88 = 3,755.62/x
  3. Step 3: Cross multiply
    5,527.09x = 7,619.88 × 3,755.62
  4. Step 4: Simplify right side
    5,527.09x = 28,617,373.73
  5. Step 5: Solve for x
    x = 28,617,373.73/5,527.09
  6. Step 6: Final answer
    x = 5,177.66

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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.