Home / 7,239.26-10,858.46-2,796.05

Finding the Fourth Proportional to 7,239.26, 10,858.46 and 2,796.05

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Solution

The fourth proportional to 7,239.26, 10,858.46 and 2,796.05 is: 4,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239.26 : 10,858.46 = 2,796.05 : x
  2. Step 2: Convert to fraction form
    7,239.26/10,858.46 = 2,796.05/x
  3. Step 3: Cross multiply
    7,239.26x = 10,858.46 × 2,796.05
  4. Step 4: Simplify right side
    7,239.26x = 30,360,728.81
  5. Step 5: Solve for x
    x = 30,360,728.81/7,239.26
  6. Step 6: Final answer
    x = 4,193.90

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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.