Home / 5,087.10-7,628.27-1,968.58

Finding the Fourth Proportional to 5,087.10, 7,628.27 and 1,968.58

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Solution

The fourth proportional to 5,087.10, 7,628.27 and 1,968.58 is: 2,951.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.10 : 7,628.27 = 1,968.58 : x
  2. Step 2: Convert to fraction form
    5,087.10/7,628.27 = 1,968.58/x
  3. Step 3: Cross multiply
    5,087.10x = 7,628.27 × 1,968.58
  4. Step 4: Simplify right side
    5,087.10x = 15,016,830.84
  5. Step 5: Solve for x
    x = 15,016,830.84/5,087.10
  6. Step 6: Final answer
    x = 2,951.94

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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.