Home / 8,290.31-12,435.46-2,050.43

Finding the Fourth Proportional to 8,290.31, 12,435.46 and 2,050.43

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Solution

The fourth proportional to 8,290.31, 12,435.46 and 2,050.43 is: 3,075.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290.31 : 12,435.46 = 2,050.43 : x
  2. Step 2: Convert to fraction form
    8,290.31/12,435.46 = 2,050.43/x
  3. Step 3: Cross multiply
    8,290.31x = 12,435.46 × 2,050.43
  4. Step 4: Simplify right side
    8,290.31x = 25,497,972.94
  5. Step 5: Solve for x
    x = 25,497,972.94/8,290.31
  6. Step 6: Final answer
    x = 3,075.64

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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.