Home / 4,550.18-6,279.09-2,781.86

Finding the Fourth Proportional to 4,550.18, 6,279.09 and 2,781.86

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Solution

The fourth proportional to 4,550.18, 6,279.09 and 2,781.86 is: 3,838.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,550.18 : 6,279.09 = 2,781.86 : x
  2. Step 2: Convert to fraction form
    4,550.18/6,279.09 = 2,781.86/x
  3. Step 3: Cross multiply
    4,550.18x = 6,279.09 × 2,781.86
  4. Step 4: Simplify right side
    4,550.18x = 17,467,549.31
  5. Step 5: Solve for x
    x = 17,467,549.31/4,550.18
  6. Step 6: Final answer
    x = 3,838.87

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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.