Home / 5,551.65-7,659.09-3,561.90

Finding the Fourth Proportional to 5,551.65, 7,659.09 and 3,561.90

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Solution

The fourth proportional to 5,551.65, 7,659.09 and 3,561.90 is: 4,914.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.65 : 7,659.09 = 3,561.90 : x
  2. Step 2: Convert to fraction form
    5,551.65/7,659.09 = 3,561.90/x
  3. Step 3: Cross multiply
    5,551.65x = 7,659.09 × 3,561.90
  4. Step 4: Simplify right side
    5,551.65x = 27,280,912.67
  5. Step 5: Solve for x
    x = 27,280,912.67/5,551.65
  6. Step 6: Final answer
    x = 4,914.02

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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.