Home / 4,938.66-7,410.91-1,820.85

Finding the Fourth Proportional to 4,938.66, 7,410.91 and 1,820.85

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Solution

The fourth proportional to 4,938.66, 7,410.91 and 1,820.85 is: 2,732.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.66 : 7,410.91 = 1,820.85 : x
  2. Step 2: Convert to fraction form
    4,938.66/7,410.91 = 1,820.85/x
  3. Step 3: Cross multiply
    4,938.66x = 7,410.91 × 1,820.85
  4. Step 4: Simplify right side
    4,938.66x = 13,494,146.37
  5. Step 5: Solve for x
    x = 13,494,146.37/4,938.66
  6. Step 6: Final answer
    x = 2,732.35

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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.