Home / 4,517.83-6,776.75-2,978.47

Finding the Fourth Proportional to 4,517.83, 6,776.75 and 2,978.47

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Solution

The fourth proportional to 4,517.83, 6,776.75 and 2,978.47 is: 4,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,517.83 : 6,776.75 = 2,978.47 : x
  2. Step 2: Convert to fraction form
    4,517.83/6,776.75 = 2,978.47/x
  3. Step 3: Cross multiply
    4,517.83x = 6,776.75 × 2,978.47
  4. Step 4: Simplify right side
    4,517.83x = 20,184,346.57
  5. Step 5: Solve for x
    x = 20,184,346.57/4,517.83
  6. Step 6: Final answer
    x = 4,467.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.