Home / 5,108.64-7,664.37-1,822.05

Finding the Fourth Proportional to 5,108.64, 7,664.37 and 1,822.05

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Solution

The fourth proportional to 5,108.64, 7,664.37 and 1,822.05 is: 2,733.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108.64 : 7,664.37 = 1,822.05 : x
  2. Step 2: Convert to fraction form
    5,108.64/7,664.37 = 1,822.05/x
  3. Step 3: Cross multiply
    5,108.64x = 7,664.37 × 1,822.05
  4. Step 4: Simplify right side
    5,108.64x = 13,964,865.36
  5. Step 5: Solve for x
    x = 13,964,865.36/5,108.64
  6. Step 6: Final answer
    x = 2,733.58

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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.