Home / 7,745.66-10,669.47-6,249.39

Finding the Fourth Proportional to 7,745.66, 10,669.47 and 6,249.39

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Solution

The fourth proportional to 7,745.66, 10,669.47 and 6,249.39 is: 8,608.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.66 : 10,669.47 = 6,249.39 : x
  2. Step 2: Convert to fraction form
    7,745.66/10,669.47 = 6,249.39/x
  3. Step 3: Cross multiply
    7,745.66x = 10,669.47 × 6,249.39
  4. Step 4: Simplify right side
    7,745.66x = 66,677,679.12
  5. Step 5: Solve for x
    x = 66,677,679.12/7,745.66
  6. Step 6: Final answer
    x = 8,608.39

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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.