Home / 5,364.87-8,042.66-2,075.70

Finding the Fourth Proportional to 5,364.87, 8,042.66 and 2,075.70

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Solution

The fourth proportional to 5,364.87, 8,042.66 and 2,075.70 is: 3,111.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,364.87 : 8,042.66 = 2,075.70 : x
  2. Step 2: Convert to fraction form
    5,364.87/8,042.66 = 2,075.70/x
  3. Step 3: Cross multiply
    5,364.87x = 8,042.66 × 2,075.70
  4. Step 4: Simplify right side
    5,364.87x = 16,694,138.98
  5. Step 5: Solve for x
    x = 16,694,138.98/5,364.87
  6. Step 6: Final answer
    x = 3,111.75

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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.