Home / 5,619.15-8,427.04-1,669.48

Finding the Fourth Proportional to 5,619.15, 8,427.04 and 1,669.48

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Solution

The fourth proportional to 5,619.15, 8,427.04 and 1,669.48 is: 2,503.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.15 : 8,427.04 = 1,669.48 : x
  2. Step 2: Convert to fraction form
    5,619.15/8,427.04 = 1,669.48/x
  3. Step 3: Cross multiply
    5,619.15x = 8,427.04 × 1,669.48
  4. Step 4: Simplify right side
    5,619.15x = 14,068,749.50
  5. Step 5: Solve for x
    x = 14,068,749.50/5,619.15
  6. Step 6: Final answer
    x = 2,503.71

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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.