Home / 6,412.88-9,620.34-2,253.13

Finding the Fourth Proportional to 6,412.88, 9,620.34 and 2,253.13

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Solution

The fourth proportional to 6,412.88, 9,620.34 and 2,253.13 is: 3,380.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,412.88 : 9,620.34 = 2,253.13 : x
  2. Step 2: Convert to fraction form
    6,412.88/9,620.34 = 2,253.13/x
  3. Step 3: Cross multiply
    6,412.88x = 9,620.34 × 2,253.13
  4. Step 4: Simplify right side
    6,412.88x = 21,675,844.16
  5. Step 5: Solve for x
    x = 21,675,844.16/6,412.88
  6. Step 6: Final answer
    x = 3,380.05

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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.