Home / 4,255.20-5,875.20-2,764.80

Finding the Fourth Proportional to 4,255.20, 5,875.20 and 2,764.80

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Solution

The fourth proportional to 4,255.20, 5,875.20 and 2,764.80 is: 3,817.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.20 : 5,875.20 = 2,764.80 : x
  2. Step 2: Convert to fraction form
    4,255.20/5,875.20 = 2,764.80/x
  3. Step 3: Cross multiply
    4,255.20x = 5,875.20 × 2,764.80
  4. Step 4: Simplify right side
    4,255.20x = 16,243,752.96
  5. Step 5: Solve for x
    x = 16,243,752.96/4,255.20
  6. Step 6: Final answer
    x = 3,817.39

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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.