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Finding the Fourth Proportional to 4,986.32, 7,481.32 and 1,699.76

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Solution

The fourth proportional to 4,986.32, 7,481.32 and 1,699.76 is: 2,550.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.32 : 7,481.32 = 1,699.76 : x
  2. Step 2: Convert to fraction form
    4,986.32/7,481.32 = 1,699.76/x
  3. Step 3: Cross multiply
    4,986.32x = 7,481.32 × 1,699.76
  4. Step 4: Simplify right side
    4,986.32x = 12,716,448.48
  5. Step 5: Solve for x
    x = 12,716,448.48/4,986.32
  6. Step 6: Final answer
    x = 2,550.27

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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.