Home / 7,995.40-11,992.02-2,152.36

Finding the Fourth Proportional to 7,995.40, 11,992.02 and 2,152.36

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Solution

The fourth proportional to 7,995.40, 11,992.02 and 2,152.36 is: 3,228.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.40 : 11,992.02 = 2,152.36 : x
  2. Step 2: Convert to fraction form
    7,995.40/11,992.02 = 2,152.36/x
  3. Step 3: Cross multiply
    7,995.40x = 11,992.02 × 2,152.36
  4. Step 4: Simplify right side
    7,995.40x = 25,811,144.17
  5. Step 5: Solve for x
    x = 25,811,144.17/7,995.40
  6. Step 6: Final answer
    x = 3,228.25

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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.