Home / 5,077.44-7,619.40-1,959.96

Finding the Fourth Proportional to 5,077.44, 7,619.40 and 1,959.96

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Solution

The fourth proportional to 5,077.44, 7,619.40 and 1,959.96 is: 2,941.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.44 : 7,619.40 = 1,959.96 : x
  2. Step 2: Convert to fraction form
    5,077.44/7,619.40 = 1,959.96/x
  3. Step 3: Cross multiply
    5,077.44x = 7,619.40 × 1,959.96
  4. Step 4: Simplify right side
    5,077.44x = 14,933,719.22
  5. Step 5: Solve for x
    x = 14,933,719.22/5,077.44
  6. Step 6: Final answer
    x = 2,941.19

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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.