Home / 4,738.74-6,538.82-2,749.20

Finding the Fourth Proportional to 4,738.74, 6,538.82 and 2,749.20

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Solution

The fourth proportional to 4,738.74, 6,538.82 and 2,749.20 is: 3,793.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.74 : 6,538.82 = 2,749.20 : x
  2. Step 2: Convert to fraction form
    4,738.74/6,538.82 = 2,749.20/x
  3. Step 3: Cross multiply
    4,738.74x = 6,538.82 × 2,749.20
  4. Step 4: Simplify right side
    4,738.74x = 17,976,510.20
  5. Step 5: Solve for x
    x = 17,976,510.20/4,738.74
  6. Step 6: Final answer
    x = 3,793.52

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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.