Home / 4,915.45-7,375.88-2,318.32

Finding the Fourth Proportional to 4,915.45, 7,375.88 and 2,318.32

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Solution

The fourth proportional to 4,915.45, 7,375.88 and 2,318.32 is: 3,478.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.45 : 7,375.88 = 2,318.32 : x
  2. Step 2: Convert to fraction form
    4,915.45/7,375.88 = 2,318.32/x
  3. Step 3: Cross multiply
    4,915.45x = 7,375.88 × 2,318.32
  4. Step 4: Simplify right side
    4,915.45x = 17,099,650.12
  5. Step 5: Solve for x
    x = 17,099,650.12/4,915.45
  6. Step 6: Final answer
    x = 3,478.76

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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.