Home / 7,817.63-11,724.59-2,551.28

Finding the Fourth Proportional to 7,817.63, 11,724.59 and 2,551.28

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Solution

The fourth proportional to 7,817.63, 11,724.59 and 2,551.28 is: 3,826.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817.63 : 11,724.59 = 2,551.28 : x
  2. Step 2: Convert to fraction form
    7,817.63/11,724.59 = 2,551.28/x
  3. Step 3: Cross multiply
    7,817.63x = 11,724.59 × 2,551.28
  4. Step 4: Simplify right side
    7,817.63x = 29,912,659.73
  5. Step 5: Solve for x
    x = 29,912,659.73/7,817.63
  6. Step 6: Final answer
    x = 3,826.31

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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.