Home / 5,354.21-8,027.20-2,719.55

Finding the Fourth Proportional to 5,354.21, 8,027.20 and 2,719.55

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Solution

The fourth proportional to 5,354.21, 8,027.20 and 2,719.55 is: 4,077.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.21 : 8,027.20 = 2,719.55 : x
  2. Step 2: Convert to fraction form
    5,354.21/8,027.20 = 2,719.55/x
  3. Step 3: Cross multiply
    5,354.21x = 8,027.20 × 2,719.55
  4. Step 4: Simplify right side
    5,354.21x = 21,830,395.23
  5. Step 5: Solve for x
    x = 21,830,395.23/5,354.21
  6. Step 6: Final answer
    x = 4,077.24

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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.