Home / 7,935.89-11,903.96-2,389.49

Finding the Fourth Proportional to 7,935.89, 11,903.96 and 2,389.49

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Solution

The fourth proportional to 7,935.89, 11,903.96 and 2,389.49 is: 3,584.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.89 : 11,903.96 = 2,389.49 : x
  2. Step 2: Convert to fraction form
    7,935.89/11,903.96 = 2,389.49/x
  3. Step 3: Cross multiply
    7,935.89x = 11,903.96 × 2,389.49
  4. Step 4: Simplify right side
    7,935.89x = 28,444,381.43
  5. Step 5: Solve for x
    x = 28,444,381.43/7,935.89
  6. Step 6: Final answer
    x = 3,584.27

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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.