Home / 5,133.06-7,081.54-3,938.26

Finding the Fourth Proportional to 5,133.06, 7,081.54 and 3,938.26

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Solution

The fourth proportional to 5,133.06, 7,081.54 and 3,938.26 is: 5,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.06 : 7,081.54 = 3,938.26 : x
  2. Step 2: Convert to fraction form
    5,133.06/7,081.54 = 3,938.26/x
  3. Step 3: Cross multiply
    5,133.06x = 7,081.54 × 3,938.26
  4. Step 4: Simplify right side
    5,133.06x = 27,888,945.72
  5. Step 5: Solve for x
    x = 27,888,945.72/5,133.06
  6. Step 6: Final answer
    x = 5,433.20

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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.