Home / 4,631.37-6,391.89-2,642.64

Finding the Fourth Proportional to 4,631.37, 6,391.89 and 2,642.64

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Solution

The fourth proportional to 4,631.37, 6,391.89 and 2,642.64 is: 3,647.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.37 : 6,391.89 = 2,642.64 : x
  2. Step 2: Convert to fraction form
    4,631.37/6,391.89 = 2,642.64/x
  3. Step 3: Cross multiply
    4,631.37x = 6,391.89 × 2,642.64
  4. Step 4: Simplify right side
    4,631.37x = 16,891,464.19
  5. Step 5: Solve for x
    x = 16,891,464.19/4,631.37
  6. Step 6: Final answer
    x = 3,647.19

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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.