Home / 7,338.78-11,010.60-2,955.06

Finding the Fourth Proportional to 7,338.78, 11,010.60 and 2,955.06

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Solution

The fourth proportional to 7,338.78, 11,010.60 and 2,955.06 is: 4,433.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.78 : 11,010.60 = 2,955.06 : x
  2. Step 2: Convert to fraction form
    7,338.78/11,010.60 = 2,955.06/x
  3. Step 3: Cross multiply
    7,338.78x = 11,010.60 × 2,955.06
  4. Step 4: Simplify right side
    7,338.78x = 32,536,983.64
  5. Step 5: Solve for x
    x = 32,536,983.64/7,338.78
  6. Step 6: Final answer
    x = 4,433.57

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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.