Home / 4,888.31-6,745.78-2,763.81

Finding the Fourth Proportional to 4,888.31, 6,745.78 and 2,763.81

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Solution

The fourth proportional to 4,888.31, 6,745.78 and 2,763.81 is: 3,814.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.31 : 6,745.78 = 2,763.81 : x
  2. Step 2: Convert to fraction form
    4,888.31/6,745.78 = 2,763.81/x
  3. Step 3: Cross multiply
    4,888.31x = 6,745.78 × 2,763.81
  4. Step 4: Simplify right side
    4,888.31x = 18,644,054.22
  5. Step 5: Solve for x
    x = 18,644,054.22/4,888.31
  6. Step 6: Final answer
    x = 3,814.01

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1.5x scale

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.