Home / 5,090.49-7,633.32-1,971.95

Finding the Fourth Proportional to 5,090.49, 7,633.32 and 1,971.95

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Solution

The fourth proportional to 5,090.49, 7,633.32 and 1,971.95 is: 2,956.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.49 : 7,633.32 = 1,971.95 : x
  2. Step 2: Convert to fraction form
    5,090.49/7,633.32 = 1,971.95/x
  3. Step 3: Cross multiply
    5,090.49x = 7,633.32 × 1,971.95
  4. Step 4: Simplify right side
    5,090.49x = 15,052,537.06
  5. Step 5: Solve for x
    x = 15,052,537.06/5,090.49
  6. Step 6: Final answer
    x = 2,956.99

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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.