Home / 5,385.53-8,076.21-2,573.87

Finding the Fourth Proportional to 5,385.53, 8,076.21 and 2,573.87

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Solution

The fourth proportional to 5,385.53, 8,076.21 and 2,573.87 is: 3,859.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.53 : 8,076.21 = 2,573.87 : x
  2. Step 2: Convert to fraction form
    5,385.53/8,076.21 = 2,573.87/x
  3. Step 3: Cross multiply
    5,385.53x = 8,076.21 × 2,573.87
  4. Step 4: Simplify right side
    5,385.53x = 20,787,074.25
  5. Step 5: Solve for x
    x = 20,787,074.25/5,385.53
  6. Step 6: Final answer
    x = 3,859.80

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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.