Home / 5,419.63-8,134.08-3,863.44

Finding the Fourth Proportional to 5,419.63, 8,134.08 and 3,863.44

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Solution

The fourth proportional to 5,419.63, 8,134.08 and 3,863.44 is: 5,798.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.63 : 8,134.08 = 3,863.44 : x
  2. Step 2: Convert to fraction form
    5,419.63/8,134.08 = 3,863.44/x
  3. Step 3: Cross multiply
    5,419.63x = 8,134.08 × 3,863.44
  4. Step 4: Simplify right side
    5,419.63x = 31,425,525.71
  5. Step 5: Solve for x
    x = 31,425,525.71/5,419.63
  6. Step 6: Final answer
    x = 5,798.46

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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.