Home / 7,982.54-11,955.58-3,825.50

Finding the Fourth Proportional to 7,982.54, 11,955.58 and 3,825.50

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Solution

The fourth proportional to 7,982.54, 11,955.58 and 3,825.50 is: 5,729.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.54 : 11,955.58 = 3,825.50 : x
  2. Step 2: Convert to fraction form
    7,982.54/11,955.58 = 3,825.50/x
  3. Step 3: Cross multiply
    7,982.54x = 11,955.58 × 3,825.50
  4. Step 4: Simplify right side
    7,982.54x = 45,736,071.29
  5. Step 5: Solve for x
    x = 45,736,071.29/7,982.54
  6. Step 6: Final answer
    x = 5,729.51

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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.