Home / 4,839.96-6,679.47-2,715.73

Finding the Fourth Proportional to 4,839.96, 6,679.47 and 2,715.73

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Solution

The fourth proportional to 4,839.96, 6,679.47 and 2,715.73 is: 3,747.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.96 : 6,679.47 = 2,715.73 : x
  2. Step 2: Convert to fraction form
    4,839.96/6,679.47 = 2,715.73/x
  3. Step 3: Cross multiply
    4,839.96x = 6,679.47 × 2,715.73
  4. Step 4: Simplify right side
    4,839.96x = 18,139,637.06
  5. Step 5: Solve for x
    x = 18,139,637.06/4,839.96
  6. Step 6: Final answer
    x = 3,747.89

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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.