Home / 4,047.72-6,072.48-1,274.28

Finding the Fourth Proportional to 4,047.72, 6,072.48 and 1,274.28

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Solution

The fourth proportional to 4,047.72, 6,072.48 and 1,274.28 is: 1,911.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.72 : 6,072.48 = 1,274.28 : x
  2. Step 2: Convert to fraction form
    4,047.72/6,072.48 = 1,274.28/x
  3. Step 3: Cross multiply
    4,047.72x = 6,072.48 × 1,274.28
  4. Step 4: Simplify right side
    4,047.72x = 7,738,039.81
  5. Step 5: Solve for x
    x = 7,738,039.81/4,047.72
  6. Step 6: Final answer
    x = 1,911.70

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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.