Home / 7,938.65-11,908.44-2,673.22

Finding the Fourth Proportional to 7,938.65, 11,908.44 and 2,673.22

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Solution

The fourth proportional to 7,938.65, 11,908.44 and 2,673.22 is: 4,009.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.65 : 11,908.44 = 2,673.22 : x
  2. Step 2: Convert to fraction form
    7,938.65/11,908.44 = 2,673.22/x
  3. Step 3: Cross multiply
    7,938.65x = 11,908.44 × 2,673.22
  4. Step 4: Simplify right side
    7,938.65x = 31,833,807.07
  5. Step 5: Solve for x
    x = 31,833,807.07/7,938.65
  6. Step 6: Final answer
    x = 4,009.98

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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.