Home / 4,021.14-6,021.31-2,775.57

Finding the Fourth Proportional to 4,021.14, 6,021.31 and 2,775.57

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Solution

The fourth proportional to 4,021.14, 6,021.31 and 2,775.57 is: 4,156.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.14 : 6,021.31 = 2,775.57 : x
  2. Step 2: Convert to fraction form
    4,021.14/6,021.31 = 2,775.57/x
  3. Step 3: Cross multiply
    4,021.14x = 6,021.31 × 2,775.57
  4. Step 4: Simplify right side
    4,021.14x = 16,712,567.40
  5. Step 5: Solve for x
    x = 16,712,567.40/4,021.14
  6. Step 6: Final answer
    x = 4,156.18

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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.