Home / 7,277.12-10,917.24-2,660

Finding the Fourth Proportional to 7,277.12, 10,917.24 and 2,660

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Solution

The fourth proportional to 7,277.12, 10,917.24 and 2,660 is: 3,990.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277.12 : 10,917.24 = 2,660 : x
  2. Step 2: Convert to fraction form
    7,277.12/10,917.24 = 2,660/x
  3. Step 3: Cross multiply
    7,277.12x = 10,917.24 × 2,660
  4. Step 4: Simplify right side
    7,277.12x = 29,039,858.40
  5. Step 5: Solve for x
    x = 29,039,858.40/7,277.12
  6. Step 6: Final answer
    x = 3,990.57

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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.