Home / 4,886.36-7,333.64-2,115.15

Finding the Fourth Proportional to 4,886.36, 7,333.64 and 2,115.15

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Solution

The fourth proportional to 4,886.36, 7,333.64 and 2,115.15 is: 3,174.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.36 : 7,333.64 = 2,115.15 : x
  2. Step 2: Convert to fraction form
    4,886.36/7,333.64 = 2,115.15/x
  3. Step 3: Cross multiply
    4,886.36x = 7,333.64 × 2,115.15
  4. Step 4: Simplify right side
    4,886.36x = 15,511,738.07
  5. Step 5: Solve for x
    x = 15,511,738.07/4,886.36
  6. Step 6: Final answer
    x = 3,174.50

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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.