Home / 5,713.81-7,885.17-3,475.78

Finding the Fourth Proportional to 5,713.81, 7,885.17 and 3,475.78

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Solution

The fourth proportional to 5,713.81, 7,885.17 and 3,475.78 is: 4,796.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,713.81 : 7,885.17 = 3,475.78 : x
  2. Step 2: Convert to fraction form
    5,713.81/7,885.17 = 3,475.78/x
  3. Step 3: Cross multiply
    5,713.81x = 7,885.17 × 3,475.78
  4. Step 4: Simplify right side
    5,713.81x = 27,407,116.18
  5. Step 5: Solve for x
    x = 27,407,116.18/5,713.81
  6. Step 6: Final answer
    x = 4,796.64

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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.