Home / 4,047.69-6,071.78-1,274.45

Finding the Fourth Proportional to 4,047.69, 6,071.78 and 1,274.45

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Solution

The fourth proportional to 4,047.69, 6,071.78 and 1,274.45 is: 1,911.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.69 : 6,071.78 = 1,274.45 : x
  2. Step 2: Convert to fraction form
    4,047.69/6,071.78 = 1,274.45/x
  3. Step 3: Cross multiply
    4,047.69x = 6,071.78 × 1,274.45
  4. Step 4: Simplify right side
    4,047.69x = 7,738,173.65
  5. Step 5: Solve for x
    x = 7,738,173.65/4,047.69
  6. Step 6: Final answer
    x = 1,911.75

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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.