Home / 5,144.09-7,098.80-2,905.97

Finding the Fourth Proportional to 5,144.09, 7,098.80 and 2,905.97

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Solution

The fourth proportional to 5,144.09, 7,098.80 and 2,905.97 is: 4,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.09 : 7,098.80 = 2,905.97 : x
  2. Step 2: Convert to fraction form
    5,144.09/7,098.80 = 2,905.97/x
  3. Step 3: Cross multiply
    5,144.09x = 7,098.80 × 2,905.97
  4. Step 4: Simplify right side
    5,144.09x = 20,628,849.81
  5. Step 5: Solve for x
    x = 20,628,849.81/5,144.09
  6. Step 6: Final answer
    x = 4,010.20

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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.