Home / 7,104.90-10,650.24-3,986.40

Finding the Fourth Proportional to 7,104.90, 10,650.24 and 3,986.40

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Solution

The fourth proportional to 7,104.90, 10,650.24 and 3,986.40 is: 5,975.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.90 : 10,650.24 = 3,986.40 : x
  2. Step 2: Convert to fraction form
    7,104.90/10,650.24 = 3,986.40/x
  3. Step 3: Cross multiply
    7,104.90x = 10,650.24 × 3,986.40
  4. Step 4: Simplify right side
    7,104.90x = 42,456,116.74
  5. Step 5: Solve for x
    x = 42,456,116.74/7,104.90
  6. Step 6: Final answer
    x = 5,975.61

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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.