Home / 5,110.27-7,051.95-2,986.00

Finding the Fourth Proportional to 5,110.27, 7,051.95 and 2,986.00

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Solution

The fourth proportional to 5,110.27, 7,051.95 and 2,986.00 is: 4,120.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.27 : 7,051.95 = 2,986.00 : x
  2. Step 2: Convert to fraction form
    5,110.27/7,051.95 = 2,986.00/x
  3. Step 3: Cross multiply
    5,110.27x = 7,051.95 × 2,986.00
  4. Step 4: Simplify right side
    5,110.27x = 21,057,072.51
  5. Step 5: Solve for x
    x = 21,057,072.51/5,110.27
  6. Step 6: Final answer
    x = 4,120.54

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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.