Home / 4,047.79-6,072.03-1,126.09

Finding the Fourth Proportional to 4,047.79, 6,072.03 and 1,126.09

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Solution

The fourth proportional to 4,047.79, 6,072.03 and 1,126.09 is: 1,689.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.79 : 6,072.03 = 1,126.09 : x
  2. Step 2: Convert to fraction form
    4,047.79/6,072.03 = 1,126.09/x
  3. Step 3: Cross multiply
    4,047.79x = 6,072.03 × 1,126.09
  4. Step 4: Simplify right side
    4,047.79x = 6,837,646.56
  5. Step 5: Solve for x
    x = 6,837,646.56/4,047.79
  6. Step 6: Final answer
    x = 1,689.23

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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.