Home / 4,716.81-7,071.57-3,156.75

Finding the Fourth Proportional to 4,716.81, 7,071.57 and 3,156.75

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Solution

The fourth proportional to 4,716.81, 7,071.57 and 3,156.75 is: 4,732.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,716.81 : 7,071.57 = 3,156.75 : x
  2. Step 2: Convert to fraction form
    4,716.81/7,071.57 = 3,156.75/x
  3. Step 3: Cross multiply
    4,716.81x = 7,071.57 × 3,156.75
  4. Step 4: Simplify right side
    4,716.81x = 22,323,178.60
  5. Step 5: Solve for x
    x = 22,323,178.60/4,716.81
  6. Step 6: Final answer
    x = 4,732.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.