Home / 8,768.26-13,147.14-4,089.33

Finding the Fourth Proportional to 8,768.26, 13,147.14 and 4,089.33

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Solution

The fourth proportional to 8,768.26, 13,147.14 and 4,089.33 is: 6,131.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.26 : 13,147.14 = 4,089.33 : x
  2. Step 2: Convert to fraction form
    8,768.26/13,147.14 = 4,089.33/x
  3. Step 3: Cross multiply
    8,768.26x = 13,147.14 × 4,089.33
  4. Step 4: Simplify right side
    8,768.26x = 53,762,994.02
  5. Step 5: Solve for x
    x = 53,762,994.02/8,768.26
  6. Step 6: Final answer
    x = 6,131.55

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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.