Home / 4,809.75-6,637.68-2,713.89

Finding the Fourth Proportional to 4,809.75, 6,637.68 and 2,713.89

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Solution

The fourth proportional to 4,809.75, 6,637.68 and 2,713.89 is: 3,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.75 : 6,637.68 = 2,713.89 : x
  2. Step 2: Convert to fraction form
    4,809.75/6,637.68 = 2,713.89/x
  3. Step 3: Cross multiply
    4,809.75x = 6,637.68 × 2,713.89
  4. Step 4: Simplify right side
    4,809.75x = 18,013,933.38
  5. Step 5: Solve for x
    x = 18,013,933.38/4,809.75
  6. Step 6: Final answer
    x = 3,745.30

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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.