Home / 4,855.98-7,278.33-2,078.49

Finding the Fourth Proportional to 4,855.98, 7,278.33 and 2,078.49

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Solution

The fourth proportional to 4,855.98, 7,278.33 and 2,078.49 is: 3,115.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.98 : 7,278.33 = 2,078.49 : x
  2. Step 2: Convert to fraction form
    4,855.98/7,278.33 = 2,078.49/x
  3. Step 3: Cross multiply
    4,855.98x = 7,278.33 × 2,078.49
  4. Step 4: Simplify right side
    4,855.98x = 15,127,936.12
  5. Step 5: Solve for x
    x = 15,127,936.12/4,855.98
  6. Step 6: Final answer
    x = 3,115.32

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1.5x scale

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.