Home / 7,686.44-10,608.62-4,455.80

Finding the Fourth Proportional to 7,686.44, 10,608.62 and 4,455.80

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Solution

The fourth proportional to 7,686.44, 10,608.62 and 4,455.80 is: 6,149.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.44 : 10,608.62 = 4,455.80 : x
  2. Step 2: Convert to fraction form
    7,686.44/10,608.62 = 4,455.80/x
  3. Step 3: Cross multiply
    7,686.44x = 10,608.62 × 4,455.80
  4. Step 4: Simplify right side
    7,686.44x = 47,269,889.00
  5. Step 5: Solve for x
    x = 47,269,889.00/7,686.44
  6. Step 6: Final answer
    x = 6,149.78

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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.