Home / 4,745.32-7,115.10-3,099.88

Finding the Fourth Proportional to 4,745.32, 7,115.10 and 3,099.88

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Solution

The fourth proportional to 4,745.32, 7,115.10 and 3,099.88 is: 4,647.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.32 : 7,115.10 = 3,099.88 : x
  2. Step 2: Convert to fraction form
    4,745.32/7,115.10 = 3,099.88/x
  3. Step 3: Cross multiply
    4,745.32x = 7,115.10 × 3,099.88
  4. Step 4: Simplify right side
    4,745.32x = 22,055,956.19
  5. Step 5: Solve for x
    x = 22,055,956.19/4,745.32
  6. Step 6: Final answer
    x = 4,647.94

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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.