Home / 4,845-7,265.92-1,557.31

Finding the Fourth Proportional to 4,845, 7,265.92 and 1,557.31

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Solution

The fourth proportional to 4,845, 7,265.92 and 1,557.31 is: 2,335.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845 : 7,265.92 = 1,557.31 : x
  2. Step 2: Convert to fraction form
    4,845/7,265.92 = 1,557.31/x
  3. Step 3: Cross multiply
    4,845x = 7,265.92 × 1,557.31
  4. Step 4: Simplify right side
    4,845x = 11,315,289.88
  5. Step 5: Solve for x
    x = 11,315,289.88/4,845
  6. Step 6: Final answer
    x = 2,335.46

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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.