Home / 5,247.50-7,866.59-1,958.36

Finding the Fourth Proportional to 5,247.50, 7,866.59 and 1,958.36

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Solution

The fourth proportional to 5,247.50, 7,866.59 and 1,958.36 is: 2,935.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.50 : 7,866.59 = 1,958.36 : x
  2. Step 2: Convert to fraction form
    5,247.50/7,866.59 = 1,958.36/x
  3. Step 3: Cross multiply
    5,247.50x = 7,866.59 × 1,958.36
  4. Step 4: Simplify right side
    5,247.50x = 15,405,566.07
  5. Step 5: Solve for x
    x = 15,405,566.07/5,247.50
  6. Step 6: Final answer
    x = 2,935.79

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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.