Home / 4,556.31-6,830.79-1,782.46

Finding the Fourth Proportional to 4,556.31, 6,830.79 and 1,782.46

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Solution

The fourth proportional to 4,556.31, 6,830.79 and 1,782.46 is: 2,672.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,556.31 : 6,830.79 = 1,782.46 : x
  2. Step 2: Convert to fraction form
    4,556.31/6,830.79 = 1,782.46/x
  3. Step 3: Cross multiply
    4,556.31x = 6,830.79 × 1,782.46
  4. Step 4: Simplify right side
    4,556.31x = 12,175,609.94
  5. Step 5: Solve for x
    x = 12,175,609.94/4,556.31
  6. Step 6: Final answer
    x = 2,672.25

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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.