Home / 3,687.66-5,507.06-3,240.54

Finding the Fourth Proportional to 3,687.66, 5,507.06 and 3,240.54

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Solution

The fourth proportional to 3,687.66, 5,507.06 and 3,240.54 is: 4,839.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.66 : 5,507.06 = 3,240.54 : x
  2. Step 2: Convert to fraction form
    3,687.66/5,507.06 = 3,240.54/x
  3. Step 3: Cross multiply
    3,687.66x = 5,507.06 × 3,240.54
  4. Step 4: Simplify right side
    3,687.66x = 17,845,832.01
  5. Step 5: Solve for x
    x = 17,845,832.01/3,687.66
  6. Step 6: Final answer
    x = 4,839.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.