Home / 4,148.21-6,222.32-1,226.74

Finding the Fourth Proportional to 4,148.21, 6,222.32 and 1,226.74

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Solution

The fourth proportional to 4,148.21, 6,222.32 and 1,226.74 is: 1,840.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.21 : 6,222.32 = 1,226.74 : x
  2. Step 2: Convert to fraction form
    4,148.21/6,222.32 = 1,226.74/x
  3. Step 3: Cross multiply
    4,148.21x = 6,222.32 × 1,226.74
  4. Step 4: Simplify right side
    4,148.21x = 7,633,168.84
  5. Step 5: Solve for x
    x = 7,633,168.84/4,148.21
  6. Step 6: Final answer
    x = 1,840.11

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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.