Home / 7,290.06-10,936.98-4,171.56

Finding the Fourth Proportional to 7,290.06, 10,936.98 and 4,171.56

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Solution

The fourth proportional to 7,290.06, 10,936.98 and 4,171.56 is: 6,258.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.06 : 10,936.98 = 4,171.56 : x
  2. Step 2: Convert to fraction form
    7,290.06/10,936.98 = 4,171.56/x
  3. Step 3: Cross multiply
    7,290.06x = 10,936.98 × 4,171.56
  4. Step 4: Simplify right side
    7,290.06x = 45,624,268.29
  5. Step 5: Solve for x
    x = 45,624,268.29/7,290.06
  6. Step 6: Final answer
    x = 6,258.42

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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.