Home / 4,938.66-7,399.80-2,986.83

Finding the Fourth Proportional to 4,938.66, 7,399.80 and 2,986.83

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Solution

The fourth proportional to 4,938.66, 7,399.80 and 2,986.83 is: 4,475.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.66 : 7,399.80 = 2,986.83 : x
  2. Step 2: Convert to fraction form
    4,938.66/7,399.80 = 2,986.83/x
  3. Step 3: Cross multiply
    4,938.66x = 7,399.80 × 2,986.83
  4. Step 4: Simplify right side
    4,938.66x = 22,101,944.63
  5. Step 5: Solve for x
    x = 22,101,944.63/4,938.66
  6. Step 6: Final answer
    x = 4,475.29

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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.