Home / 4,272.20-6,408.30-4,108.18

Finding the Fourth Proportional to 4,272.20, 6,408.30 and 4,108.18

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Solution

The fourth proportional to 4,272.20, 6,408.30 and 4,108.18 is: 6,162.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.20 : 6,408.30 = 4,108.18 : x
  2. Step 2: Convert to fraction form
    4,272.20/6,408.30 = 4,108.18/x
  3. Step 3: Cross multiply
    4,272.20x = 6,408.30 × 4,108.18
  4. Step 4: Simplify right side
    4,272.20x = 26,326,417.85
  5. Step 5: Solve for x
    x = 26,326,417.85/4,272.20
  6. Step 6: Final answer
    x = 6,162.26

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1.5x scale

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.