Home / 4,887.86-6,745.20-2,763.39

Finding the Fourth Proportional to 4,887.86, 6,745.20 and 2,763.39

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Solution

The fourth proportional to 4,887.86, 6,745.20 and 2,763.39 is: 3,813.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.86 : 6,745.20 = 2,763.39 : x
  2. Step 2: Convert to fraction form
    4,887.86/6,745.20 = 2,763.39/x
  3. Step 3: Cross multiply
    4,887.86x = 6,745.20 × 2,763.39
  4. Step 4: Simplify right side
    4,887.86x = 18,639,618.23
  5. Step 5: Solve for x
    x = 18,639,618.23/4,887.86
  6. Step 6: Final answer
    x = 3,813.46

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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.