Home / 4,910.86-6,775.45-2,786.23

Finding the Fourth Proportional to 4,910.86, 6,775.45 and 2,786.23

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Solution

The fourth proportional to 4,910.86, 6,775.45 and 2,786.23 is: 3,844.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.86 : 6,775.45 = 2,786.23 : x
  2. Step 2: Convert to fraction form
    4,910.86/6,775.45 = 2,786.23/x
  3. Step 3: Cross multiply
    4,910.86x = 6,775.45 × 2,786.23
  4. Step 4: Simplify right side
    4,910.86x = 18,877,962.05
  5. Step 5: Solve for x
    x = 18,877,962.05/4,910.86
  6. Step 6: Final answer
    x = 3,844.13

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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.