Home / 5,161.76-7,739.44-1,698.08

Finding the Fourth Proportional to 5,161.76, 7,739.44 and 1,698.08

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Solution

The fourth proportional to 5,161.76, 7,739.44 and 1,698.08 is: 2,546.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.76 : 7,739.44 = 1,698.08 : x
  2. Step 2: Convert to fraction form
    5,161.76/7,739.44 = 1,698.08/x
  3. Step 3: Cross multiply
    5,161.76x = 7,739.44 × 1,698.08
  4. Step 4: Simplify right side
    5,161.76x = 13,142,188.28
  5. Step 5: Solve for x
    x = 13,142,188.28/5,161.76
  6. Step 6: Final answer
    x = 2,546.07

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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.