Home / 5,301.88-7,313.35-3,811.81

Finding the Fourth Proportional to 5,301.88, 7,313.35 and 3,811.81

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Solution

The fourth proportional to 5,301.88, 7,313.35 and 3,811.81 is: 5,257.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.88 : 7,313.35 = 3,811.81 : x
  2. Step 2: Convert to fraction form
    5,301.88/7,313.35 = 3,811.81/x
  3. Step 3: Cross multiply
    5,301.88x = 7,313.35 × 3,811.81
  4. Step 4: Simplify right side
    5,301.88x = 27,877,100.66
  5. Step 5: Solve for x
    x = 27,877,100.66/5,301.88
  6. Step 6: Final answer
    x = 5,257.97

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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.