Home / 4,745.75-6,549.37-2,857.92

Finding the Fourth Proportional to 4,745.75, 6,549.37 and 2,857.92

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Solution

The fourth proportional to 4,745.75, 6,549.37 and 2,857.92 is: 3,944.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.75 : 6,549.37 = 2,857.92 : x
  2. Step 2: Convert to fraction form
    4,745.75/6,549.37 = 2,857.92/x
  3. Step 3: Cross multiply
    4,745.75x = 6,549.37 × 2,857.92
  4. Step 4: Simplify right side
    4,745.75x = 18,717,575.51
  5. Step 5: Solve for x
    x = 18,717,575.51/4,745.75
  6. Step 6: Final answer
    x = 3,944.07

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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.