Home / 6,512.87-9,766.40-2,069.28

Finding the Fourth Proportional to 6,512.87, 9,766.40 and 2,069.28

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Solution

The fourth proportional to 6,512.87, 9,766.40 and 2,069.28 is: 3,102.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,512.87 : 9,766.40 = 2,069.28 : x
  2. Step 2: Convert to fraction form
    6,512.87/9,766.40 = 2,069.28/x
  3. Step 3: Cross multiply
    6,512.87x = 9,766.40 × 2,069.28
  4. Step 4: Simplify right side
    6,512.87x = 20,209,405.85
  5. Step 5: Solve for x
    x = 20,209,405.85/6,512.87
  6. Step 6: Final answer
    x = 3,102.99

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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.