Home / 4,012.37-5,538.45-2,757.57

Finding the Fourth Proportional to 4,012.37, 5,538.45 and 2,757.57

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Solution

The fourth proportional to 4,012.37, 5,538.45 and 2,757.57 is: 3,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.37 : 5,538.45 = 2,757.57 : x
  2. Step 2: Convert to fraction form
    4,012.37/5,538.45 = 2,757.57/x
  3. Step 3: Cross multiply
    4,012.37x = 5,538.45 × 2,757.57
  4. Step 4: Simplify right side
    4,012.37x = 15,272,663.57
  5. Step 5: Solve for x
    x = 15,272,663.57/4,012.37
  6. Step 6: Final answer
    x = 3,806.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.