Home / 3,911.14-5,867.33-1,313.47

Finding the Fourth Proportional to 3,911.14, 5,867.33 and 1,313.47

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Solution

The fourth proportional to 3,911.14, 5,867.33 and 1,313.47 is: 1,970.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.14 : 5,867.33 = 1,313.47 : x
  2. Step 2: Convert to fraction form
    3,911.14/5,867.33 = 1,313.47/x
  3. Step 3: Cross multiply
    3,911.14x = 5,867.33 × 1,313.47
  4. Step 4: Simplify right side
    3,911.14x = 7,706,561.94
  5. Step 5: Solve for x
    x = 7,706,561.94/3,911.14
  6. Step 6: Final answer
    x = 1,970.41

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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.