Home / 7,736.40-11,608.20-4,042.80

Finding the Fourth Proportional to 7,736.40, 11,608.20 and 4,042.80

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Solution

The fourth proportional to 7,736.40, 11,608.20 and 4,042.80 is: 6,066.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,736.40 : 11,608.20 = 4,042.80 : x
  2. Step 2: Convert to fraction form
    7,736.40/11,608.20 = 4,042.80/x
  3. Step 3: Cross multiply
    7,736.40x = 11,608.20 × 4,042.80
  4. Step 4: Simplify right side
    7,736.40x = 46,929,630.96
  5. Step 5: Solve for x
    x = 46,929,630.96/7,736.40
  6. Step 6: Final answer
    x = 6,066.08

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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.