Home / 4,550.34-6,279.32-2,560.78

Finding the Fourth Proportional to 4,550.34, 6,279.32 and 2,560.78

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Solution

The fourth proportional to 4,550.34, 6,279.32 and 2,560.78 is: 3,533.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,550.34 : 6,279.32 = 2,560.78 : x
  2. Step 2: Convert to fraction form
    4,550.34/6,279.32 = 2,560.78/x
  3. Step 3: Cross multiply
    4,550.34x = 6,279.32 × 2,560.78
  4. Step 4: Simplify right side
    4,550.34x = 16,079,971.32
  5. Step 5: Solve for x
    x = 16,079,971.32/4,550.34
  6. Step 6: Final answer
    x = 3,533.79

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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.