Home / 4,650.80-6,976.17-1,188.05

Finding the Fourth Proportional to 4,650.80, 6,976.17 and 1,188.05

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Solution

The fourth proportional to 4,650.80, 6,976.17 and 1,188.05 is: 1,782.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,650.80 : 6,976.17 = 1,188.05 : x
  2. Step 2: Convert to fraction form
    4,650.80/6,976.17 = 1,188.05/x
  3. Step 3: Cross multiply
    4,650.80x = 6,976.17 × 1,188.05
  4. Step 4: Simplify right side
    4,650.80x = 8,288,003.89
  5. Step 5: Solve for x
    x = 8,288,003.89/4,650.80
  6. Step 6: Final answer
    x = 1,782.06

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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.