Home / 5,243.90-7,235.62-3,005.26

Finding the Fourth Proportional to 5,243.90, 7,235.62 and 3,005.26

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Solution

The fourth proportional to 5,243.90, 7,235.62 and 3,005.26 is: 4,146.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.90 : 7,235.62 = 3,005.26 : x
  2. Step 2: Convert to fraction form
    5,243.90/7,235.62 = 3,005.26/x
  3. Step 3: Cross multiply
    5,243.90x = 7,235.62 × 3,005.26
  4. Step 4: Simplify right side
    5,243.90x = 21,744,893.76
  5. Step 5: Solve for x
    x = 21,744,893.76/5,243.90
  6. Step 6: Final answer
    x = 4,146.71

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1.5x scale

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.