Home / 4,255.78-5,866.77-2,763.13

Finding the Fourth Proportional to 4,255.78, 5,866.77 and 2,763.13

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Solution

The fourth proportional to 4,255.78, 5,866.77 and 2,763.13 is: 3,809.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.78 : 5,866.77 = 2,763.13 : x
  2. Step 2: Convert to fraction form
    4,255.78/5,866.77 = 2,763.13/x
  3. Step 3: Cross multiply
    4,255.78x = 5,866.77 × 2,763.13
  4. Step 4: Simplify right side
    4,255.78x = 16,210,648.19
  5. Step 5: Solve for x
    x = 16,210,648.19/4,255.78
  6. Step 6: Final answer
    x = 3,809.09

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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.