Home / 5,028.56-6,938.80-2,904.06

Finding the Fourth Proportional to 5,028.56, 6,938.80 and 2,904.06

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Solution

The fourth proportional to 5,028.56, 6,938.80 and 2,904.06 is: 4,007.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.56 : 6,938.80 = 2,904.06 : x
  2. Step 2: Convert to fraction form
    5,028.56/6,938.80 = 2,904.06/x
  3. Step 3: Cross multiply
    5,028.56x = 6,938.80 × 2,904.06
  4. Step 4: Simplify right side
    5,028.56x = 20,150,684.27
  5. Step 5: Solve for x
    x = 20,150,684.27/5,028.56
  6. Step 6: Final answer
    x = 4,007.25

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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.