Home / 4,187.34-6,276.77-2,628.43

Finding the Fourth Proportional to 4,187.34, 6,276.77 and 2,628.43

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Solution

The fourth proportional to 4,187.34, 6,276.77 and 2,628.43 is: 3,939.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.34 : 6,276.77 = 2,628.43 : x
  2. Step 2: Convert to fraction form
    4,187.34/6,276.77 = 2,628.43/x
  3. Step 3: Cross multiply
    4,187.34x = 6,276.77 × 2,628.43
  4. Step 4: Simplify right side
    4,187.34x = 16,498,021.74
  5. Step 5: Solve for x
    x = 16,498,021.74/4,187.34
  6. Step 6: Final answer
    x = 3,939.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.