Home / 7,249.23-10,852.79-6,138.72

Finding the Fourth Proportional to 7,249.23, 10,852.79 and 6,138.72

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Solution

The fourth proportional to 7,249.23, 10,852.79 and 6,138.72 is: 9,190.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.23 : 10,852.79 = 6,138.72 : x
  2. Step 2: Convert to fraction form
    7,249.23/10,852.79 = 6,138.72/x
  3. Step 3: Cross multiply
    7,249.23x = 10,852.79 × 6,138.72
  4. Step 4: Simplify right side
    7,249.23x = 66,622,208.34
  5. Step 5: Solve for x
    x = 66,622,208.34/7,249.23
  6. Step 6: Final answer
    x = 9,190.25

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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.