Home / 4,271.60-6,408.30-1,805.15

Finding the Fourth Proportional to 4,271.60, 6,408.30 and 1,805.15

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Solution

The fourth proportional to 4,271.60, 6,408.30 and 1,805.15 is: 2,708.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.60 : 6,408.30 = 1,805.15 : x
  2. Step 2: Convert to fraction form
    4,271.60/6,408.30 = 1,805.15/x
  3. Step 3: Cross multiply
    4,271.60x = 6,408.30 × 1,805.15
  4. Step 4: Simplify right side
    4,271.60x = 11,567,942.75
  5. Step 5: Solve for x
    x = 11,567,942.75/4,271.60
  6. Step 6: Final answer
    x = 2,708.11

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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.