Home / 7,764.20-11,639.04-2,832.60

Finding the Fourth Proportional to 7,764.20, 11,639.04 and 2,832.60

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Solution

The fourth proportional to 7,764.20, 11,639.04 and 2,832.60 is: 4,246.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.20 : 11,639.04 = 2,832.60 : x
  2. Step 2: Convert to fraction form
    7,764.20/11,639.04 = 2,832.60/x
  3. Step 3: Cross multiply
    7,764.20x = 11,639.04 × 2,832.60
  4. Step 4: Simplify right side
    7,764.20x = 32,968,744.70
  5. Step 5: Solve for x
    x = 32,968,744.70/7,764.20
  6. Step 6: Final answer
    x = 4,246.25

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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.