Home / 4,723.87-7,079.64-1,947.37

Finding the Fourth Proportional to 4,723.87, 7,079.64 and 1,947.37

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Solution

The fourth proportional to 4,723.87, 7,079.64 and 1,947.37 is: 2,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,723.87 : 7,079.64 = 1,947.37 : x
  2. Step 2: Convert to fraction form
    4,723.87/7,079.64 = 1,947.37/x
  3. Step 3: Cross multiply
    4,723.87x = 7,079.64 × 1,947.37
  4. Step 4: Simplify right side
    4,723.87x = 13,786,678.55
  5. Step 5: Solve for x
    x = 13,786,678.55/4,723.87
  6. Step 6: Final answer
    x = 2,918.51

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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.