Home / 4,048.80-6,072.48-1,126.38

Finding the Fourth Proportional to 4,048.80, 6,072.48 and 1,126.38

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Solution

The fourth proportional to 4,048.80, 6,072.48 and 1,126.38 is: 1,689.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,048.80 : 6,072.48 = 1,126.38 : x
  2. Step 2: Convert to fraction form
    4,048.80/6,072.48 = 1,126.38/x
  3. Step 3: Cross multiply
    4,048.80x = 6,072.48 × 1,126.38
  4. Step 4: Simplify right side
    4,048.80x = 6,839,920.02
  5. Step 5: Solve for x
    x = 6,839,920.02/4,048.80
  6. Step 6: Final answer
    x = 1,689.37

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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.