Home / 7,883.52-11,826.36-2,688

Finding the Fourth Proportional to 7,883.52, 11,826.36 and 2,688

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Solution

The fourth proportional to 7,883.52, 11,826.36 and 2,688 is: 4,032.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883.52 : 11,826.36 = 2,688 : x
  2. Step 2: Convert to fraction form
    7,883.52/11,826.36 = 2,688/x
  3. Step 3: Cross multiply
    7,883.52x = 11,826.36 × 2,688
  4. Step 4: Simplify right side
    7,883.52x = 31,789,255.68
  5. Step 5: Solve for x
    x = 31,789,255.68/7,883.52
  6. Step 6: Final answer
    x = 4,032.37

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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.