Home / 4,923.87-7,385.76-1,637.21

Finding the Fourth Proportional to 4,923.87, 7,385.76 and 1,637.21

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Solution

The fourth proportional to 4,923.87, 7,385.76 and 1,637.21 is: 2,455.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.87 : 7,385.76 = 1,637.21 : x
  2. Step 2: Convert to fraction form
    4,923.87/7,385.76 = 1,637.21/x
  3. Step 3: Cross multiply
    4,923.87x = 7,385.76 × 1,637.21
  4. Step 4: Simplify right side
    4,923.87x = 12,092,003.20
  5. Step 5: Solve for x
    x = 12,092,003.20/4,923.87
  6. Step 6: Final answer
    x = 2,455.79

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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.