Home / 4,538.70-6,808.32-1,419.26

Finding the Fourth Proportional to 4,538.70, 6,808.32 and 1,419.26

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Solution

The fourth proportional to 4,538.70, 6,808.32 and 1,419.26 is: 2,128.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,538.70 : 6,808.32 = 1,419.26 : x
  2. Step 2: Convert to fraction form
    4,538.70/6,808.32 = 1,419.26/x
  3. Step 3: Cross multiply
    4,538.70x = 6,808.32 × 1,419.26
  4. Step 4: Simplify right side
    4,538.70x = 9,662,742.20
  5. Step 5: Solve for x
    x = 9,662,742.20/4,538.70
  6. Step 6: Final answer
    x = 2,128.97

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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.