Home / 4,905.64-7,359.48-1,983.94

Finding the Fourth Proportional to 4,905.64, 7,359.48 and 1,983.94

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Solution

The fourth proportional to 4,905.64, 7,359.48 and 1,983.94 is: 2,976.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.64 : 7,359.48 = 1,983.94 : x
  2. Step 2: Convert to fraction form
    4,905.64/7,359.48 = 1,983.94/x
  3. Step 3: Cross multiply
    4,905.64x = 7,359.48 × 1,983.94
  4. Step 4: Simplify right side
    4,905.64x = 14,600,795.33
  5. Step 5: Solve for x
    x = 14,600,795.33/4,905.64
  6. Step 6: Final answer
    x = 2,976.33

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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.