Home / 5,627.37-8,428.37-2,707.86

Finding the Fourth Proportional to 5,627.37, 8,428.37 and 2,707.86

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Solution

The fourth proportional to 5,627.37, 8,428.37 and 2,707.86 is: 4,055.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.37 : 8,428.37 = 2,707.86 : x
  2. Step 2: Convert to fraction form
    5,627.37/8,428.37 = 2,707.86/x
  3. Step 3: Cross multiply
    5,627.37x = 8,428.37 × 2,707.86
  4. Step 4: Simplify right side
    5,627.37x = 22,822,832.45
  5. Step 5: Solve for x
    x = 22,822,832.45/5,627.37
  6. Step 6: Final answer
    x = 4,055.68

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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.