Home / 4,689.44-7,028.68-2,608.46

Finding the Fourth Proportional to 4,689.44, 7,028.68 and 2,608.46

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Solution

The fourth proportional to 4,689.44, 7,028.68 and 2,608.46 is: 3,909.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.44 : 7,028.68 = 2,608.46 : x
  2. Step 2: Convert to fraction form
    4,689.44/7,028.68 = 2,608.46/x
  3. Step 3: Cross multiply
    4,689.44x = 7,028.68 × 2,608.46
  4. Step 4: Simplify right side
    4,689.44x = 18,334,030.63
  5. Step 5: Solve for x
    x = 18,334,030.63/4,689.44
  6. Step 6: Final answer
    x = 3,909.64

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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.