Home / 5,205.26-7,809.69-3,015.90

Finding the Fourth Proportional to 5,205.26, 7,809.69 and 3,015.90

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Solution

The fourth proportional to 5,205.26, 7,809.69 and 3,015.90 is: 4,524.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.26 : 7,809.69 = 3,015.90 : x
  2. Step 2: Convert to fraction form
    5,205.26/7,809.69 = 3,015.90/x
  3. Step 3: Cross multiply
    5,205.26x = 7,809.69 × 3,015.90
  4. Step 4: Simplify right side
    5,205.26x = 23,553,244.07
  5. Step 5: Solve for x
    x = 23,553,244.07/5,205.26
  6. Step 6: Final answer
    x = 4,524.89

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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.