Home / 4,334.80-6,489.44-2,686.05

Finding the Fourth Proportional to 4,334.80, 6,489.44 and 2,686.05

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Solution

The fourth proportional to 4,334.80, 6,489.44 and 2,686.05 is: 4,021.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,334.80 : 6,489.44 = 2,686.05 : x
  2. Step 2: Convert to fraction form
    4,334.80/6,489.44 = 2,686.05/x
  3. Step 3: Cross multiply
    4,334.80x = 6,489.44 × 2,686.05
  4. Step 4: Simplify right side
    4,334.80x = 17,430,914.43
  5. Step 5: Solve for x
    x = 17,430,914.43/4,334.80
  6. Step 6: Final answer
    x = 4,021.16

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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.