Home / 4,889.56-6,738.78-3,561.16

Finding the Fourth Proportional to 4,889.56, 6,738.78 and 3,561.16

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Solution

The fourth proportional to 4,889.56, 6,738.78 and 3,561.16 is: 4,907.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.56 : 6,738.78 = 3,561.16 : x
  2. Step 2: Convert to fraction form
    4,889.56/6,738.78 = 3,561.16/x
  3. Step 3: Cross multiply
    4,889.56x = 6,738.78 × 3,561.16
  4. Step 4: Simplify right side
    4,889.56x = 23,997,873.78
  5. Step 5: Solve for x
    x = 23,997,873.78/4,889.56
  6. Step 6: Final answer
    x = 4,907.98

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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.