Home / 7,419.24-11,137.05-3,039.75

Finding the Fourth Proportional to 7,419.24, 11,137.05 and 3,039.75

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Solution

The fourth proportional to 7,419.24, 11,137.05 and 3,039.75 is: 4,562.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.24 : 11,137.05 = 3,039.75 : x
  2. Step 2: Convert to fraction form
    7,419.24/11,137.05 = 3,039.75/x
  3. Step 3: Cross multiply
    7,419.24x = 11,137.05 × 3,039.75
  4. Step 4: Simplify right side
    7,419.24x = 33,853,847.74
  5. Step 5: Solve for x
    x = 33,853,847.74/7,419.24
  6. Step 6: Final answer
    x = 4,562.98

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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.