Home / 4,182.18-6,272.25-1,408.13

Finding the Fourth Proportional to 4,182.18, 6,272.25 and 1,408.13

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Solution

The fourth proportional to 4,182.18, 6,272.25 and 1,408.13 is: 2,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,182.18 : 6,272.25 = 1,408.13 : x
  2. Step 2: Convert to fraction form
    4,182.18/6,272.25 = 1,408.13/x
  3. Step 3: Cross multiply
    4,182.18x = 6,272.25 × 1,408.13
  4. Step 4: Simplify right side
    4,182.18x = 8,832,143.39
  5. Step 5: Solve for x
    x = 8,832,143.39/4,182.18
  6. Step 6: Final answer
    x = 2,111.85

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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.