Home / 4,048.16-6,072.28-1,274.78

Finding the Fourth Proportional to 4,048.16, 6,072.28 and 1,274.78

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Solution

The fourth proportional to 4,048.16, 6,072.28 and 1,274.78 is: 1,912.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,048.16 : 6,072.28 = 1,274.78 : x
  2. Step 2: Convert to fraction form
    4,048.16/6,072.28 = 1,274.78/x
  3. Step 3: Cross multiply
    4,048.16x = 6,072.28 × 1,274.78
  4. Step 4: Simplify right side
    4,048.16x = 7,740,821.10
  5. Step 5: Solve for x
    x = 7,740,821.10/4,048.16
  6. Step 6: Final answer
    x = 1,912.18

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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.