Home / 4,945.23-7,417.85-1,435.43

Finding the Fourth Proportional to 4,945.23, 7,417.85 and 1,435.43

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Solution

The fourth proportional to 4,945.23, 7,417.85 and 1,435.43 is: 2,153.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.23 : 7,417.85 = 1,435.43 : x
  2. Step 2: Convert to fraction form
    4,945.23/7,417.85 = 1,435.43/x
  3. Step 3: Cross multiply
    4,945.23x = 7,417.85 × 1,435.43
  4. Step 4: Simplify right side
    4,945.23x = 10,647,815.79
  5. Step 5: Solve for x
    x = 10,647,815.79/4,945.23
  6. Step 6: Final answer
    x = 2,153.15

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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.