Home / 7,984.32-11,975.84-3,303.12

Finding the Fourth Proportional to 7,984.32, 11,975.84 and 3,303.12

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Solution

The fourth proportional to 7,984.32, 11,975.84 and 3,303.12 is: 4,954.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.32 : 11,975.84 = 3,303.12 : x
  2. Step 2: Convert to fraction form
    7,984.32/11,975.84 = 3,303.12/x
  3. Step 3: Cross multiply
    7,984.32x = 11,975.84 × 3,303.12
  4. Step 4: Simplify right side
    7,984.32x = 39,557,636.62
  5. Step 5: Solve for x
    x = 39,557,636.62/7,984.32
  6. Step 6: Final answer
    x = 4,954.42

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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.