Home / 7,499.22-11,250.03-2,820.84

Finding the Fourth Proportional to 7,499.22, 11,250.03 and 2,820.84

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Solution

The fourth proportional to 7,499.22, 11,250.03 and 2,820.84 is: 4,231.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,499.22 : 11,250.03 = 2,820.84 : x
  2. Step 2: Convert to fraction form
    7,499.22/11,250.03 = 2,820.84/x
  3. Step 3: Cross multiply
    7,499.22x = 11,250.03 × 2,820.84
  4. Step 4: Simplify right side
    7,499.22x = 31,734,534.63
  5. Step 5: Solve for x
    x = 31,734,534.63/7,499.22
  6. Step 6: Final answer
    x = 4,231.71

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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.