Home / 7,742.88-11,616.36-4,450.08

Finding the Fourth Proportional to 7,742.88, 11,616.36 and 4,450.08

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Solution

The fourth proportional to 7,742.88, 11,616.36 and 4,450.08 is: 6,676.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.88 : 11,616.36 = 4,450.08 : x
  2. Step 2: Convert to fraction form
    7,742.88/11,616.36 = 4,450.08/x
  3. Step 3: Cross multiply
    7,742.88x = 11,616.36 × 4,450.08
  4. Step 4: Simplify right side
    7,742.88x = 51,693,731.31
  5. Step 5: Solve for x
    x = 51,693,731.31/7,742.88
  6. Step 6: Final answer
    x = 6,676.29

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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.