Home / 4,815.57-7,223.61-1,353.09

Finding the Fourth Proportional to 4,815.57, 7,223.61 and 1,353.09

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Solution

The fourth proportional to 4,815.57, 7,223.61 and 1,353.09 is: 2,029.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.57 : 7,223.61 = 1,353.09 : x
  2. Step 2: Convert to fraction form
    4,815.57/7,223.61 = 1,353.09/x
  3. Step 3: Cross multiply
    4,815.57x = 7,223.61 × 1,353.09
  4. Step 4: Simplify right side
    4,815.57x = 9,774,194.45
  5. Step 5: Solve for x
    x = 9,774,194.45/4,815.57
  6. Step 6: Final answer
    x = 2,029.71

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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.