Home / 4,148.76-6,220.96-1,226.64

Finding the Fourth Proportional to 4,148.76, 6,220.96 and 1,226.64

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Solution

The fourth proportional to 4,148.76, 6,220.96 and 1,226.64 is: 1,839.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.76 : 6,220.96 = 1,226.64 : x
  2. Step 2: Convert to fraction form
    4,148.76/6,220.96 = 1,226.64/x
  3. Step 3: Cross multiply
    4,148.76x = 6,220.96 × 1,226.64
  4. Step 4: Simplify right side
    4,148.76x = 7,630,878.37
  5. Step 5: Solve for x
    x = 7,630,878.37/4,148.76
  6. Step 6: Final answer
    x = 1,839.32

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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.