Home / 4,149.80-6,223.75-1,188.18

Finding the Fourth Proportional to 4,149.80, 6,223.75 and 1,188.18

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Solution

The fourth proportional to 4,149.80, 6,223.75 and 1,188.18 is: 1,782.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.80 : 6,223.75 = 1,188.18 : x
  2. Step 2: Convert to fraction form
    4,149.80/6,223.75 = 1,188.18/x
  3. Step 3: Cross multiply
    4,149.80x = 6,223.75 × 1,188.18
  4. Step 4: Simplify right side
    4,149.80x = 7,394,932.30
  5. Step 5: Solve for x
    x = 7,394,932.30/4,149.80
  6. Step 6: Final answer
    x = 1,782.00

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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.