Home / 4,885.38-6,741.90-2,789.51

Finding the Fourth Proportional to 4,885.38, 6,741.90 and 2,789.51

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Solution

The fourth proportional to 4,885.38, 6,741.90 and 2,789.51 is: 3,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.38 : 6,741.90 = 2,789.51 : x
  2. Step 2: Convert to fraction form
    4,885.38/6,741.90 = 2,789.51/x
  3. Step 3: Cross multiply
    4,885.38x = 6,741.90 × 2,789.51
  4. Step 4: Simplify right side
    4,885.38x = 18,806,563.76
  5. Step 5: Solve for x
    x = 18,806,563.76/4,885.38
  6. Step 6: Final answer
    x = 3,849.56

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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.