Home / 4,905.88-6,767.58-3,039.64

Finding the Fourth Proportional to 4,905.88, 6,767.58 and 3,039.64

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Solution

The fourth proportional to 4,905.88, 6,767.58 and 3,039.64 is: 4,193.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.88 : 6,767.58 = 3,039.64 : x
  2. Step 2: Convert to fraction form
    4,905.88/6,767.58 = 3,039.64/x
  3. Step 3: Cross multiply
    4,905.88x = 6,767.58 × 3,039.64
  4. Step 4: Simplify right side
    4,905.88x = 20,571,006.87
  5. Step 5: Solve for x
    x = 20,571,006.87/4,905.88
  6. Step 6: Final answer
    x = 4,193.13

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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.