Home / 7,550.78-10,419.63-4,193.51

Finding the Fourth Proportional to 7,550.78, 10,419.63 and 4,193.51

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Solution

The fourth proportional to 7,550.78, 10,419.63 and 4,193.51 is: 5,786.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,550.78 : 10,419.63 = 4,193.51 : x
  2. Step 2: Convert to fraction form
    7,550.78/10,419.63 = 4,193.51/x
  3. Step 3: Cross multiply
    7,550.78x = 10,419.63 × 4,193.51
  4. Step 4: Simplify right side
    7,550.78x = 43,694,770.50
  5. Step 5: Solve for x
    x = 43,694,770.50/7,550.78
  6. Step 6: Final answer
    x = 5,786.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.