Home / 5,028.03-6,938.46-2,790

Finding the Fourth Proportional to 5,028.03, 6,938.46 and 2,790

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Solution

The fourth proportional to 5,028.03, 6,938.46 and 2,790 is: 3,850.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.03 : 6,938.46 = 2,790 : x
  2. Step 2: Convert to fraction form
    5,028.03/6,938.46 = 2,790/x
  3. Step 3: Cross multiply
    5,028.03x = 6,938.46 × 2,790
  4. Step 4: Simplify right side
    5,028.03x = 19,358,303.40
  5. Step 5: Solve for x
    x = 19,358,303.40/5,028.03
  6. Step 6: Final answer
    x = 3,850.08

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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.