Home / 4,048.53-6,072.78-1,275.43

Finding the Fourth Proportional to 4,048.53, 6,072.78 and 1,275.43

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Solution

The fourth proportional to 4,048.53, 6,072.78 and 1,275.43 is: 1,913.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,048.53 : 6,072.78 = 1,275.43 : x
  2. Step 2: Convert to fraction form
    4,048.53/6,072.78 = 1,275.43/x
  3. Step 3: Cross multiply
    4,048.53x = 6,072.78 × 1,275.43
  4. Step 4: Simplify right side
    4,048.53x = 7,745,405.80
  5. Step 5: Solve for x
    x = 7,745,405.80/4,048.53
  6. Step 6: Final answer
    x = 1,913.14

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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.