Home / 5,402.30-8,103.45-1,704.82

Finding the Fourth Proportional to 5,402.30, 8,103.45 and 1,704.82

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Solution

The fourth proportional to 5,402.30, 8,103.45 and 1,704.82 is: 2,557.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.30 : 8,103.45 = 1,704.82 : x
  2. Step 2: Convert to fraction form
    5,402.30/8,103.45 = 1,704.82/x
  3. Step 3: Cross multiply
    5,402.30x = 8,103.45 × 1,704.82
  4. Step 4: Simplify right side
    5,402.30x = 13,814,878.85
  5. Step 5: Solve for x
    x = 13,814,878.85/5,402.30
  6. Step 6: Final answer
    x = 2,557.22

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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.