Home / 4,049.34-6,075.78-1,418.74

Finding the Fourth Proportional to 4,049.34, 6,075.78 and 1,418.74

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Solution

The fourth proportional to 4,049.34, 6,075.78 and 1,418.74 is: 2,128.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,049.34 : 6,075.78 = 1,418.74 : x
  2. Step 2: Convert to fraction form
    4,049.34/6,075.78 = 1,418.74/x
  3. Step 3: Cross multiply
    4,049.34x = 6,075.78 × 1,418.74
  4. Step 4: Simplify right side
    4,049.34x = 8,619,960.67
  5. Step 5: Solve for x
    x = 8,619,960.67/4,049.34
  6. Step 6: Final answer
    x = 2,128.73

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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.