Home / 4,620.36-6,375.78-2,631.24

Finding the Fourth Proportional to 4,620.36, 6,375.78 and 2,631.24

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Solution

The fourth proportional to 4,620.36, 6,375.78 and 2,631.24 is: 3,630.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.36 : 6,375.78 = 2,631.24 : x
  2. Step 2: Convert to fraction form
    4,620.36/6,375.78 = 2,631.24/x
  3. Step 3: Cross multiply
    4,620.36x = 6,375.78 × 2,631.24
  4. Step 4: Simplify right side
    4,620.36x = 16,776,207.37
  5. Step 5: Solve for x
    x = 16,776,207.37/4,620.36
  6. Step 6: Final answer
    x = 3,630.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.