Home / 7,816.80-11,724.36-1,973.48

Finding the Fourth Proportional to 7,816.80, 11,724.36 and 1,973.48

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Solution

The fourth proportional to 7,816.80, 11,724.36 and 1,973.48 is: 2,960.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.80 : 11,724.36 = 1,973.48 : x
  2. Step 2: Convert to fraction form
    7,816.80/11,724.36 = 1,973.48/x
  3. Step 3: Cross multiply
    7,816.80x = 11,724.36 × 1,973.48
  4. Step 4: Simplify right side
    7,816.80x = 23,137,789.97
  5. Step 5: Solve for x
    x = 23,137,789.97/7,816.80
  6. Step 6: Final answer
    x = 2,960.01

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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.