Home / 4,914.77-6,782.52-2,790.26

Finding the Fourth Proportional to 4,914.77, 6,782.52 and 2,790.26

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Solution

The fourth proportional to 4,914.77, 6,782.52 and 2,790.26 is: 3,850.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.77 : 6,782.52 = 2,790.26 : x
  2. Step 2: Convert to fraction form
    4,914.77/6,782.52 = 2,790.26/x
  3. Step 3: Cross multiply
    4,914.77x = 6,782.52 × 2,790.26
  4. Step 4: Simplify right side
    4,914.77x = 18,924,946.39
  5. Step 5: Solve for x
    x = 18,924,946.39/4,914.77
  6. Step 6: Final answer
    x = 3,850.63

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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.