Home / 8,268.80-11,410.71-4,731.89

Finding the Fourth Proportional to 8,268.80, 11,410.71 and 4,731.89

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Solution

The fourth proportional to 8,268.80, 11,410.71 and 4,731.89 is: 6,529.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.80 : 11,410.71 = 4,731.89 : x
  2. Step 2: Convert to fraction form
    8,268.80/11,410.71 = 4,731.89/x
  3. Step 3: Cross multiply
    8,268.80x = 11,410.71 × 4,731.89
  4. Step 4: Simplify right side
    8,268.80x = 53,994,224.54
  5. Step 5: Solve for x
    x = 53,994,224.54/8,268.80
  6. Step 6: Final answer
    x = 6,529.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.