Home / 5,577.54-8,365.56-1,879.74

Finding the Fourth Proportional to 5,577.54, 8,365.56 and 1,879.74

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Solution

The fourth proportional to 5,577.54, 8,365.56 and 1,879.74 is: 2,819.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.54 : 8,365.56 = 1,879.74 : x
  2. Step 2: Convert to fraction form
    5,577.54/8,365.56 = 1,879.74/x
  3. Step 3: Cross multiply
    5,577.54x = 8,365.56 × 1,879.74
  4. Step 4: Simplify right side
    5,577.54x = 15,725,077.75
  5. Step 5: Solve for x
    x = 15,725,077.75/5,577.54
  6. Step 6: Final answer
    x = 2,819.36

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1.5x scale

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.