Home / 4,080.81-6,090.39-3,687.15

Finding the Fourth Proportional to 4,080.81, 6,090.39 and 3,687.15

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Solution

The fourth proportional to 4,080.81, 6,090.39 and 3,687.15 is: 5,502.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.81 : 6,090.39 = 3,687.15 : x
  2. Step 2: Convert to fraction form
    4,080.81/6,090.39 = 3,687.15/x
  3. Step 3: Cross multiply
    4,080.81x = 6,090.39 × 3,687.15
  4. Step 4: Simplify right side
    4,080.81x = 22,456,181.49
  5. Step 5: Solve for x
    x = 22,456,181.49/4,080.81
  6. Step 6: Final answer
    x = 5,502.87

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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.