Home / 4,889.06-6,746.82-2,764.56

Finding the Fourth Proportional to 4,889.06, 6,746.82 and 2,764.56

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Solution

The fourth proportional to 4,889.06, 6,746.82 and 2,764.56 is: 3,815.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.06 : 6,746.82 = 2,764.56 : x
  2. Step 2: Convert to fraction form
    4,889.06/6,746.82 = 2,764.56/x
  3. Step 3: Cross multiply
    4,889.06x = 6,746.82 × 2,764.56
  4. Step 4: Simplify right side
    4,889.06x = 18,651,988.70
  5. Step 5: Solve for x
    x = 18,651,988.70/4,889.06
  6. Step 6: Final answer
    x = 3,815.05

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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.