Home / 6,515.20-9,771.30-3,883.44

Finding the Fourth Proportional to 6,515.20, 9,771.30 and 3,883.44

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Solution

The fourth proportional to 6,515.20, 9,771.30 and 3,883.44 is: 5,824.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.20 : 9,771.30 = 3,883.44 : x
  2. Step 2: Convert to fraction form
    6,515.20/9,771.30 = 3,883.44/x
  3. Step 3: Cross multiply
    6,515.20x = 9,771.30 × 3,883.44
  4. Step 4: Simplify right side
    6,515.20x = 37,946,277.53
  5. Step 5: Solve for x
    x = 37,946,277.53/6,515.20
  6. Step 6: Final answer
    x = 5,824.27

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1.5x scale

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.