Home / 4,586.88-6,882.48-1,990.56

Finding the Fourth Proportional to 4,586.88, 6,882.48 and 1,990.56

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Solution

The fourth proportional to 4,586.88, 6,882.48 and 1,990.56 is: 2,986.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,586.88 : 6,882.48 = 1,990.56 : x
  2. Step 2: Convert to fraction form
    4,586.88/6,882.48 = 1,990.56/x
  3. Step 3: Cross multiply
    4,586.88x = 6,882.48 × 1,990.56
  4. Step 4: Simplify right side
    4,586.88x = 13,699,989.39
  5. Step 5: Solve for x
    x = 13,699,989.39/4,586.88
  6. Step 6: Final answer
    x = 2,986.78

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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.