Home / 4,047.57-6,072.21-1,275.03

Finding the Fourth Proportional to 4,047.57, 6,072.21 and 1,275.03

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Solution

The fourth proportional to 4,047.57, 6,072.21 and 1,275.03 is: 1,912.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.57 : 6,072.21 = 1,275.03 : x
  2. Step 2: Convert to fraction form
    4,047.57/6,072.21 = 1,275.03/x
  3. Step 3: Cross multiply
    4,047.57x = 6,072.21 × 1,275.03
  4. Step 4: Simplify right side
    4,047.57x = 7,742,249.92
  5. Step 5: Solve for x
    x = 7,742,249.92/4,047.57
  6. Step 6: Final answer
    x = 1,912.81

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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.