Home / 7,948.37-11,917.88-3,018.36

Finding the Fourth Proportional to 7,948.37, 11,917.88 and 3,018.36

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Solution

The fourth proportional to 7,948.37, 11,917.88 and 3,018.36 is: 4,525.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.37 : 11,917.88 = 3,018.36 : x
  2. Step 2: Convert to fraction form
    7,948.37/11,917.88 = 3,018.36/x
  3. Step 3: Cross multiply
    7,948.37x = 11,917.88 × 3,018.36
  4. Step 4: Simplify right side
    7,948.37x = 35,972,437.19
  5. Step 5: Solve for x
    x = 35,972,437.19/7,948.37
  6. Step 6: Final answer
    x = 4,525.76

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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.