Home / 7,313.09-10,965.59-3,415.37

Finding the Fourth Proportional to 7,313.09, 10,965.59 and 3,415.37

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Solution

The fourth proportional to 7,313.09, 10,965.59 and 3,415.37 is: 5,121.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,313.09 : 10,965.59 = 3,415.37 : x
  2. Step 2: Convert to fraction form
    7,313.09/10,965.59 = 3,415.37/x
  3. Step 3: Cross multiply
    7,313.09x = 10,965.59 × 3,415.37
  4. Step 4: Simplify right side
    7,313.09x = 37,451,557.46
  5. Step 5: Solve for x
    x = 37,451,557.46/7,313.09
  6. Step 6: Final answer
    x = 5,121.17

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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.