Home / 4,907.78-6,775.51-3,231.99

Finding the Fourth Proportional to 4,907.78, 6,775.51 and 3,231.99

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Solution

The fourth proportional to 4,907.78, 6,775.51 and 3,231.99 is: 4,461.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,907.78 : 6,775.51 = 3,231.99 : x
  2. Step 2: Convert to fraction form
    4,907.78/6,775.51 = 3,231.99/x
  3. Step 3: Cross multiply
    4,907.78x = 6,775.51 × 3,231.99
  4. Step 4: Simplify right side
    4,907.78x = 21,898,380.56
  5. Step 5: Solve for x
    x = 21,898,380.56/4,907.78
  6. Step 6: Final answer
    x = 4,461.97

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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.