Home / 4,048.81-6,072.28-1,127.36

Finding the Fourth Proportional to 4,048.81, 6,072.28 and 1,127.36

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Solution

The fourth proportional to 4,048.81, 6,072.28 and 1,127.36 is: 1,690.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,048.81 : 6,072.28 = 1,127.36 : x
  2. Step 2: Convert to fraction form
    4,048.81/6,072.28 = 1,127.36/x
  3. Step 3: Cross multiply
    4,048.81x = 6,072.28 × 1,127.36
  4. Step 4: Simplify right side
    4,048.81x = 6,845,645.58
  5. Step 5: Solve for x
    x = 6,845,645.58/4,048.81
  6. Step 6: Final answer
    x = 1,690.78

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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.