Home / 5,242.90-7,235.31-3,004.51

Finding the Fourth Proportional to 5,242.90, 7,235.31 and 3,004.51

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Solution

The fourth proportional to 5,242.90, 7,235.31 and 3,004.51 is: 4,146.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.90 : 7,235.31 = 3,004.51 : x
  2. Step 2: Convert to fraction form
    5,242.90/7,235.31 = 3,004.51/x
  3. Step 3: Cross multiply
    5,242.90x = 7,235.31 × 3,004.51
  4. Step 4: Simplify right side
    5,242.90x = 21,738,561.25
  5. Step 5: Solve for x
    x = 21,738,561.25/5,242.90
  6. Step 6: Final answer
    x = 4,146.29

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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.