Home / 7,933.68-11,899.56-2,090.75

Finding the Fourth Proportional to 7,933.68, 11,899.56 and 2,090.75

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Solution

The fourth proportional to 7,933.68, 11,899.56 and 2,090.75 is: 3,135.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.68 : 11,899.56 = 2,090.75 : x
  2. Step 2: Convert to fraction form
    7,933.68/11,899.56 = 2,090.75/x
  3. Step 3: Cross multiply
    7,933.68x = 11,899.56 × 2,090.75
  4. Step 4: Simplify right side
    7,933.68x = 24,878,953.41
  5. Step 5: Solve for x
    x = 24,878,953.41/7,933.68
  6. Step 6: Final answer
    x = 3,135.87

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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.