Home / 7,938.36-11,913.03-2,744.28

Finding the Fourth Proportional to 7,938.36, 11,913.03 and 2,744.28

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Solution

The fourth proportional to 7,938.36, 11,913.03 and 2,744.28 is: 4,118.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.36 : 11,913.03 = 2,744.28 : x
  2. Step 2: Convert to fraction form
    7,938.36/11,913.03 = 2,744.28/x
  3. Step 3: Cross multiply
    7,938.36x = 11,913.03 × 2,744.28
  4. Step 4: Simplify right side
    7,938.36x = 32,692,689.97
  5. Step 5: Solve for x
    x = 32,692,689.97/7,938.36
  6. Step 6: Final answer
    x = 4,118.32

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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.