Home / 5,403.09-8,102.78-2,627.99

Finding the Fourth Proportional to 5,403.09, 8,102.78 and 2,627.99

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Solution

The fourth proportional to 5,403.09, 8,102.78 and 2,627.99 is: 3,941.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.09 : 8,102.78 = 2,627.99 : x
  2. Step 2: Convert to fraction form
    5,403.09/8,102.78 = 2,627.99/x
  3. Step 3: Cross multiply
    5,403.09x = 8,102.78 × 2,627.99
  4. Step 4: Simplify right side
    5,403.09x = 21,293,971.16
  5. Step 5: Solve for x
    x = 21,293,971.16/5,403.09
  6. Step 6: Final answer
    x = 3,941.07

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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.