Home / 6,412.64-9,611.39-2,898.54

Finding the Fourth Proportional to 6,412.64, 9,611.39 and 2,898.54

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Solution

The fourth proportional to 6,412.64, 9,611.39 and 2,898.54 is: 4,344.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,412.64 : 9,611.39 = 2,898.54 : x
  2. Step 2: Convert to fraction form
    6,412.64/9,611.39 = 2,898.54/x
  3. Step 3: Cross multiply
    6,412.64x = 9,611.39 × 2,898.54
  4. Step 4: Simplify right side
    6,412.64x = 27,858,983.88
  5. Step 5: Solve for x
    x = 27,858,983.88/6,412.64
  6. Step 6: Final answer
    x = 4,344.39

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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.