Home / 7,286.45-10,930.47-2,669.45

Finding the Fourth Proportional to 7,286.45, 10,930.47 and 2,669.45

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Solution

The fourth proportional to 7,286.45, 10,930.47 and 2,669.45 is: 4,004.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.45 : 10,930.47 = 2,669.45 : x
  2. Step 2: Convert to fraction form
    7,286.45/10,930.47 = 2,669.45/x
  3. Step 3: Cross multiply
    7,286.45x = 10,930.47 × 2,669.45
  4. Step 4: Simplify right side
    7,286.45x = 29,178,288.49
  5. Step 5: Solve for x
    x = 29,178,288.49/7,286.45
  6. Step 6: Final answer
    x = 4,004.46

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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.