Home / 4,788.69-6,606.77-2,798.11

Finding the Fourth Proportional to 4,788.69, 6,606.77 and 2,798.11

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Solution

The fourth proportional to 4,788.69, 6,606.77 and 2,798.11 is: 3,860.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.69 : 6,606.77 = 2,798.11 : x
  2. Step 2: Convert to fraction form
    4,788.69/6,606.77 = 2,798.11/x
  3. Step 3: Cross multiply
    4,788.69x = 6,606.77 × 2,798.11
  4. Step 4: Simplify right side
    4,788.69x = 18,486,469.20
  5. Step 5: Solve for x
    x = 18,486,469.20/4,788.69
  6. Step 6: Final answer
    x = 3,860.44

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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.