Home / 5,090.94-7,635.78-1,804.14

Finding the Fourth Proportional to 5,090.94, 7,635.78 and 1,804.14

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Solution

The fourth proportional to 5,090.94, 7,635.78 and 1,804.14 is: 2,705.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.94 : 7,635.78 = 1,804.14 : x
  2. Step 2: Convert to fraction form
    5,090.94/7,635.78 = 1,804.14/x
  3. Step 3: Cross multiply
    5,090.94x = 7,635.78 × 1,804.14
  4. Step 4: Simplify right side
    5,090.94x = 13,776,016.13
  5. Step 5: Solve for x
    x = 13,776,016.13/5,090.94
  6. Step 6: Final answer
    x = 2,705.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.