Home / 4,583.64-6,878.91-2,120.19

Finding the Fourth Proportional to 4,583.64, 6,878.91 and 2,120.19

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Solution

The fourth proportional to 4,583.64, 6,878.91 and 2,120.19 is: 3,181.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,583.64 : 6,878.91 = 2,120.19 : x
  2. Step 2: Convert to fraction form
    4,583.64/6,878.91 = 2,120.19/x
  3. Step 3: Cross multiply
    4,583.64x = 6,878.91 × 2,120.19
  4. Step 4: Simplify right side
    4,583.64x = 14,584,628.57
  5. Step 5: Solve for x
    x = 14,584,628.57/4,583.64
  6. Step 6: Final answer
    x = 3,181.88

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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.