Home / 10,607.64-15,912.24-3,211.44

Finding the Fourth Proportional to 10,607.64, 15,912.24 and 3,211.44

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Solution

The fourth proportional to 10,607.64, 15,912.24 and 3,211.44 is: 4,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,607.64 : 15,912.24 = 3,211.44 : x
  2. Step 2: Convert to fraction form
    10,607.64/15,912.24 = 3,211.44/x
  3. Step 3: Cross multiply
    10,607.64x = 15,912.24 × 3,211.44
  4. Step 4: Simplify right side
    10,607.64x = 51,101,204.03
  5. Step 5: Solve for x
    x = 51,101,204.03/10,607.64
  6. Step 6: Final answer
    x = 4,817.40

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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.