Home / 9,285.78-13,928.52-3,738.98

Finding the Fourth Proportional to 9,285.78, 13,928.52 and 3,738.98

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Solution

The fourth proportional to 9,285.78, 13,928.52 and 3,738.98 is: 5,608.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.78 : 13,928.52 = 3,738.98 : x
  2. Step 2: Convert to fraction form
    9,285.78/13,928.52 = 3,738.98/x
  3. Step 3: Cross multiply
    9,285.78x = 13,928.52 × 3,738.98
  4. Step 4: Simplify right side
    9,285.78x = 52,078,492.53
  5. Step 5: Solve for x
    x = 52,078,492.53/9,285.78
  6. Step 6: Final answer
    x = 5,608.41

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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.