Home / 4,212.21-6,317.24-1,249.95

Finding the Fourth Proportional to 4,212.21, 6,317.24 and 1,249.95

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Solution

The fourth proportional to 4,212.21, 6,317.24 and 1,249.95 is: 1,874.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.21 : 6,317.24 = 1,249.95 : x
  2. Step 2: Convert to fraction form
    4,212.21/6,317.24 = 1,249.95/x
  3. Step 3: Cross multiply
    4,212.21x = 6,317.24 × 1,249.95
  4. Step 4: Simplify right side
    4,212.21x = 7,896,227.89
  5. Step 5: Solve for x
    x = 7,896,227.89/4,212.21
  6. Step 6: Final answer
    x = 1,874.60

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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.