Home / 5,239.13-7,858.69-1,343.54

Finding the Fourth Proportional to 5,239.13, 7,858.69 and 1,343.54

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Solution

The fourth proportional to 5,239.13, 7,858.69 and 1,343.54 is: 2,015.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.13 : 7,858.69 = 1,343.54 : x
  2. Step 2: Convert to fraction form
    5,239.13/7,858.69 = 1,343.54/x
  3. Step 3: Cross multiply
    5,239.13x = 7,858.69 × 1,343.54
  4. Step 4: Simplify right side
    5,239.13x = 10,558,480.65
  5. Step 5: Solve for x
    x = 10,558,480.65/5,239.13
  6. Step 6: Final answer
    x = 2,015.31

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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.