Home / 4,989.14-7,489.18-2,069.50

Finding the Fourth Proportional to 4,989.14, 7,489.18 and 2,069.50

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Solution

The fourth proportional to 4,989.14, 7,489.18 and 2,069.50 is: 3,106.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.14 : 7,489.18 = 2,069.50 : x
  2. Step 2: Convert to fraction form
    4,989.14/7,489.18 = 2,069.50/x
  3. Step 3: Cross multiply
    4,989.14x = 7,489.18 × 2,069.50
  4. Step 4: Simplify right side
    4,989.14x = 15,498,858.01
  5. Step 5: Solve for x
    x = 15,498,858.01/4,989.14
  6. Step 6: Final answer
    x = 3,106.52

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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.