Home / 7,995.42-11,992.86-2,152.08

Finding the Fourth Proportional to 7,995.42, 11,992.86 and 2,152.08

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Solution

The fourth proportional to 7,995.42, 11,992.86 and 2,152.08 is: 3,228.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.42 : 11,992.86 = 2,152.08 : x
  2. Step 2: Convert to fraction form
    7,995.42/11,992.86 = 2,152.08/x
  3. Step 3: Cross multiply
    7,995.42x = 11,992.86 × 2,152.08
  4. Step 4: Simplify right side
    7,995.42x = 25,809,594.15
  5. Step 5: Solve for x
    x = 25,809,594.15/7,995.42
  6. Step 6: Final answer
    x = 3,228.05

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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.