Home / 8,066.90-12,100.23-3,907.28

Finding the Fourth Proportional to 8,066.90, 12,100.23 and 3,907.28

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Solution

The fourth proportional to 8,066.90, 12,100.23 and 3,907.28 is: 5,860.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066.90 : 12,100.23 = 3,907.28 : x
  2. Step 2: Convert to fraction form
    8,066.90/12,100.23 = 3,907.28/x
  3. Step 3: Cross multiply
    8,066.90x = 12,100.23 × 3,907.28
  4. Step 4: Simplify right side
    8,066.90x = 47,278,986.67
  5. Step 5: Solve for x
    x = 47,278,986.67/8,066.90
  6. Step 6: Final answer
    x = 5,860.86

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1.5x scale

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.