Home / 7,273.97-10,039.29-4,290.54

Finding the Fourth Proportional to 7,273.97, 10,039.29 and 4,290.54

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Solution

The fourth proportional to 7,273.97, 10,039.29 and 4,290.54 is: 5,921.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.97 : 10,039.29 = 4,290.54 : x
  2. Step 2: Convert to fraction form
    7,273.97/10,039.29 = 4,290.54/x
  3. Step 3: Cross multiply
    7,273.97x = 10,039.29 × 4,290.54
  4. Step 4: Simplify right side
    7,273.97x = 43,073,945.71
  5. Step 5: Solve for x
    x = 43,073,945.71/7,273.97
  6. Step 6: Final answer
    x = 5,921.66

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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.