Home / 7,121.94-10,683.76-2,964.75

Finding the Fourth Proportional to 7,121.94, 10,683.76 and 2,964.75

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Solution

The fourth proportional to 7,121.94, 10,683.76 and 2,964.75 is: 4,447.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121.94 : 10,683.76 = 2,964.75 : x
  2. Step 2: Convert to fraction form
    7,121.94/10,683.76 = 2,964.75/x
  3. Step 3: Cross multiply
    7,121.94x = 10,683.76 × 2,964.75
  4. Step 4: Simplify right side
    7,121.94x = 31,674,677.46
  5. Step 5: Solve for x
    x = 31,674,677.46/7,121.94
  6. Step 6: Final answer
    x = 4,447.48

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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.