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Finding the Fourth Proportional to 7,024.88, 10,529.12 and 3,903.41

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Solution

The fourth proportional to 7,024.88, 10,529.12 and 3,903.41 is: 5,850.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,024.88 : 10,529.12 = 3,903.41 : x
  2. Step 2: Convert to fraction form
    7,024.88/10,529.12 = 3,903.41/x
  3. Step 3: Cross multiply
    7,024.88x = 10,529.12 × 3,903.41
  4. Step 4: Simplify right side
    7,024.88x = 41,099,400.14
  5. Step 5: Solve for x
    x = 41,099,400.14/7,024.88
  6. Step 6: Final answer
    x = 5,850.55

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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.