Home / 4,550.35-6,279.37-2,978.41

Finding the Fourth Proportional to 4,550.35, 6,279.37 and 2,978.41

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Solution

The fourth proportional to 4,550.35, 6,279.37 and 2,978.41 is: 4,110.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,550.35 : 6,279.37 = 2,978.41 : x
  2. Step 2: Convert to fraction form
    4,550.35/6,279.37 = 2,978.41/x
  3. Step 3: Cross multiply
    4,550.35x = 6,279.37 × 2,978.41
  4. Step 4: Simplify right side
    4,550.35x = 18,702,538.40
  5. Step 5: Solve for x
    x = 18,702,538.40/4,550.35
  6. Step 6: Final answer
    x = 4,110.13

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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.