Home / 7,415.03-11,119.29-2,219.69

Finding the Fourth Proportional to 7,415.03, 11,119.29 and 2,219.69

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Solution

The fourth proportional to 7,415.03, 11,119.29 and 2,219.69 is: 3,328.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.03 : 11,119.29 = 2,219.69 : x
  2. Step 2: Convert to fraction form
    7,415.03/11,119.29 = 2,219.69/x
  3. Step 3: Cross multiply
    7,415.03x = 11,119.29 × 2,219.69
  4. Step 4: Simplify right side
    7,415.03x = 24,681,321.22
  5. Step 5: Solve for x
    x = 24,681,321.22/7,415.03
  6. Step 6: Final answer
    x = 3,328.56

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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.