Home / 7,021.18-10,525.26-2,641.54

Finding the Fourth Proportional to 7,021.18, 10,525.26 and 2,641.54

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Solution

The fourth proportional to 7,021.18, 10,525.26 and 2,641.54 is: 3,959.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.18 : 10,525.26 = 2,641.54 : x
  2. Step 2: Convert to fraction form
    7,021.18/10,525.26 = 2,641.54/x
  3. Step 3: Cross multiply
    7,021.18x = 10,525.26 × 2,641.54
  4. Step 4: Simplify right side
    7,021.18x = 27,802,895.30
  5. Step 5: Solve for x
    x = 27,802,895.30/7,021.18
  6. Step 6: Final answer
    x = 3,959.86

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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.