Home / 7,928.99-11,877.27-3,756.31

Finding the Fourth Proportional to 7,928.99, 11,877.27 and 3,756.31

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Solution

The fourth proportional to 7,928.99, 11,877.27 and 3,756.31 is: 5,626.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.99 : 11,877.27 = 3,756.31 : x
  2. Step 2: Convert to fraction form
    7,928.99/11,877.27 = 3,756.31/x
  3. Step 3: Cross multiply
    7,928.99x = 11,877.27 × 3,756.31
  4. Step 4: Simplify right side
    7,928.99x = 44,614,664.29
  5. Step 5: Solve for x
    x = 44,614,664.29/7,928.99
  6. Step 6: Final answer
    x = 5,626.78

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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.