Home / 7,749.88-11,628.25-4,418.01

Finding the Fourth Proportional to 7,749.88, 11,628.25 and 4,418.01

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Solution

The fourth proportional to 7,749.88, 11,628.25 and 4,418.01 is: 6,628.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.88 : 11,628.25 = 4,418.01 : x
  2. Step 2: Convert to fraction form
    7,749.88/11,628.25 = 4,418.01/x
  3. Step 3: Cross multiply
    7,749.88x = 11,628.25 × 4,418.01
  4. Step 4: Simplify right side
    7,749.88x = 51,373,694.98
  5. Step 5: Solve for x
    x = 51,373,694.98/7,749.88
  6. Step 6: Final answer
    x = 6,628.97

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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.