Home / 5,270.59-7,899.93-2,149.79

Finding the Fourth Proportional to 5,270.59, 7,899.93 and 2,149.79

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Solution

The fourth proportional to 5,270.59, 7,899.93 and 2,149.79 is: 3,222.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.59 : 7,899.93 = 2,149.79 : x
  2. Step 2: Convert to fraction form
    5,270.59/7,899.93 = 2,149.79/x
  3. Step 3: Cross multiply
    5,270.59x = 7,899.93 × 2,149.79
  4. Step 4: Simplify right side
    5,270.59x = 16,983,195.45
  5. Step 5: Solve for x
    x = 16,983,195.45/5,270.59
  6. Step 6: Final answer
    x = 3,222.25

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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.