Home / 7,680.74-11,525.59-3,238.14

Finding the Fourth Proportional to 7,680.74, 11,525.59 and 3,238.14

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Solution

The fourth proportional to 7,680.74, 11,525.59 and 3,238.14 is: 4,859.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680.74 : 11,525.59 = 3,238.14 : x
  2. Step 2: Convert to fraction form
    7,680.74/11,525.59 = 3,238.14/x
  3. Step 3: Cross multiply
    7,680.74x = 11,525.59 × 3,238.14
  4. Step 4: Simplify right side
    7,680.74x = 37,321,416.37
  5. Step 5: Solve for x
    x = 37,321,416.37/7,680.74
  6. Step 6: Final answer
    x = 4,859.09

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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.