Home / 7,816.77-11,725.56-1,973.43

Finding the Fourth Proportional to 7,816.77, 11,725.56 and 1,973.43

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Solution

The fourth proportional to 7,816.77, 11,725.56 and 1,973.43 is: 2,960.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.77 : 11,725.56 = 1,973.43 : x
  2. Step 2: Convert to fraction form
    7,816.77/11,725.56 = 1,973.43/x
  3. Step 3: Cross multiply
    7,816.77x = 11,725.56 × 1,973.43
  4. Step 4: Simplify right side
    7,816.77x = 23,139,571.87
  5. Step 5: Solve for x
    x = 23,139,571.87/7,816.77
  6. Step 6: Final answer
    x = 2,960.25

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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.