Home / 7,889.29-11,835.76-2,342.51

Finding the Fourth Proportional to 7,889.29, 11,835.76 and 2,342.51

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Solution

The fourth proportional to 7,889.29, 11,835.76 and 2,342.51 is: 3,514.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.29 : 11,835.76 = 2,342.51 : x
  2. Step 2: Convert to fraction form
    7,889.29/11,835.76 = 2,342.51/x
  3. Step 3: Cross multiply
    7,889.29x = 11,835.76 × 2,342.51
  4. Step 4: Simplify right side
    7,889.29x = 27,725,409.89
  5. Step 5: Solve for x
    x = 27,725,409.89/7,889.29
  6. Step 6: Final answer
    x = 3,514.31

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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.