Home / 7,750.87-11,627.91-4,052.09

Finding the Fourth Proportional to 7,750.87, 11,627.91 and 4,052.09

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Solution

The fourth proportional to 7,750.87, 11,627.91 and 4,052.09 is: 6,078.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.87 : 11,627.91 = 4,052.09 : x
  2. Step 2: Convert to fraction form
    7,750.87/11,627.91 = 4,052.09/x
  3. Step 3: Cross multiply
    7,750.87x = 11,627.91 × 4,052.09
  4. Step 4: Simplify right side
    7,750.87x = 47,117,366.90
  5. Step 5: Solve for x
    x = 47,117,366.90/7,750.87
  6. Step 6: Final answer
    x = 6,078.98

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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.