Home / 4,148.38-6,222.57-1,226.45

Finding the Fourth Proportional to 4,148.38, 6,222.57 and 1,226.45

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Solution

The fourth proportional to 4,148.38, 6,222.57 and 1,226.45 is: 1,839.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.38 : 6,222.57 = 1,226.45 : x
  2. Step 2: Convert to fraction form
    4,148.38/6,222.57 = 1,226.45/x
  3. Step 3: Cross multiply
    4,148.38x = 6,222.57 × 1,226.45
  4. Step 4: Simplify right side
    4,148.38x = 7,631,681.93
  5. Step 5: Solve for x
    x = 7,631,681.93/4,148.38
  6. Step 6: Final answer
    x = 1,839.68

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Double scale
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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.