Home / 7,933.08-11,900.64-2,665.83

Finding the Fourth Proportional to 7,933.08, 11,900.64 and 2,665.83

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Solution

The fourth proportional to 7,933.08, 11,900.64 and 2,665.83 is: 3,999.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.08 : 11,900.64 = 2,665.83 : x
  2. Step 2: Convert to fraction form
    7,933.08/11,900.64 = 2,665.83/x
  3. Step 3: Cross multiply
    7,933.08x = 11,900.64 × 2,665.83
  4. Step 4: Simplify right side
    7,933.08x = 31,725,069.80
  5. Step 5: Solve for x
    x = 31,725,069.80/7,933.08
  6. Step 6: Final answer
    x = 3,999.09

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1.5x scale

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.