Home / 7,935.28-11,903.71-2,938.99

Finding the Fourth Proportional to 7,935.28, 11,903.71 and 2,938.99

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Solution

The fourth proportional to 7,935.28, 11,903.71 and 2,938.99 is: 4,408.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.28 : 11,903.71 = 2,938.99 : x
  2. Step 2: Convert to fraction form
    7,935.28/11,903.71 = 2,938.99/x
  3. Step 3: Cross multiply
    7,935.28x = 11,903.71 × 2,938.99
  4. Step 4: Simplify right side
    7,935.28x = 34,984,884.65
  5. Step 5: Solve for x
    x = 34,984,884.65/7,935.28
  6. Step 6: Final answer
    x = 4,408.78

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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.