Home / 7,984.31-11,976.42-2,437.63

Finding the Fourth Proportional to 7,984.31, 11,976.42 and 2,437.63

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Solution

The fourth proportional to 7,984.31, 11,976.42 and 2,437.63 is: 3,656.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.31 : 11,976.42 = 2,437.63 : x
  2. Step 2: Convert to fraction form
    7,984.31/11,976.42 = 2,437.63/x
  3. Step 3: Cross multiply
    7,984.31x = 11,976.42 × 2,437.63
  4. Step 4: Simplify right side
    7,984.31x = 29,194,080.68
  5. Step 5: Solve for x
    x = 29,194,080.68/7,984.31
  6. Step 6: Final answer
    x = 3,656.43

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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.