Home / 4,148.74-6,220.95-1,226.65

Finding the Fourth Proportional to 4,148.74, 6,220.95 and 1,226.65

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Solution

The fourth proportional to 4,148.74, 6,220.95 and 1,226.65 is: 1,839.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.74 : 6,220.95 = 1,226.65 : x
  2. Step 2: Convert to fraction form
    4,148.74/6,220.95 = 1,226.65/x
  3. Step 3: Cross multiply
    4,148.74x = 6,220.95 × 1,226.65
  4. Step 4: Simplify right side
    4,148.74x = 7,630,928.32
  5. Step 5: Solve for x
    x = 7,630,928.32/4,148.74
  6. Step 6: Final answer
    x = 1,839.34

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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.