Home / 5,419.96-7,479.40-3,029.96

Finding the Fourth Proportional to 5,419.96, 7,479.40 and 3,029.96

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Solution

The fourth proportional to 5,419.96, 7,479.40 and 3,029.96 is: 4,181.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.96 : 7,479.40 = 3,029.96 : x
  2. Step 2: Convert to fraction form
    5,419.96/7,479.40 = 3,029.96/x
  3. Step 3: Cross multiply
    5,419.96x = 7,479.40 × 3,029.96
  4. Step 4: Simplify right side
    5,419.96x = 22,662,282.82
  5. Step 5: Solve for x
    x = 22,662,282.82/5,419.96
  6. Step 6: Final answer
    x = 4,181.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.