Home / 7,682.30-11,520.57-3,297.50

Finding the Fourth Proportional to 7,682.30, 11,520.57 and 3,297.50

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Solution

The fourth proportional to 7,682.30, 11,520.57 and 3,297.50 is: 4,945.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,682.30 : 11,520.57 = 3,297.50 : x
  2. Step 2: Convert to fraction form
    7,682.30/11,520.57 = 3,297.50/x
  3. Step 3: Cross multiply
    7,682.30x = 11,520.57 × 3,297.50
  4. Step 4: Simplify right side
    7,682.30x = 37,989,079.58
  5. Step 5: Solve for x
    x = 37,989,079.58/7,682.30
  6. Step 6: Final answer
    x = 4,945.01

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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.