Home / 5,028.16-6,938.76-2,790.04

Finding the Fourth Proportional to 5,028.16, 6,938.76 and 2,790.04

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Solution

The fourth proportional to 5,028.16, 6,938.76 and 2,790.04 is: 3,850.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.16 : 6,938.76 = 2,790.04 : x
  2. Step 2: Convert to fraction form
    5,028.16/6,938.76 = 2,790.04/x
  3. Step 3: Cross multiply
    5,028.16x = 6,938.76 × 2,790.04
  4. Step 4: Simplify right side
    5,028.16x = 19,359,417.95
  5. Step 5: Solve for x
    x = 19,359,417.95/5,028.16
  6. Step 6: Final answer
    x = 3,850.20

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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.