Home / 7,819.44-10,783.56-6,118.20

Finding the Fourth Proportional to 7,819.44, 10,783.56 and 6,118.20

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Solution

The fourth proportional to 7,819.44, 10,783.56 and 6,118.20 is: 8,437.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.44 : 10,783.56 = 6,118.20 : x
  2. Step 2: Convert to fraction form
    7,819.44/10,783.56 = 6,118.20/x
  3. Step 3: Cross multiply
    7,819.44x = 10,783.56 × 6,118.20
  4. Step 4: Simplify right side
    7,819.44x = 65,975,976.79
  5. Step 5: Solve for x
    x = 65,975,976.79/7,819.44
  6. Step 6: Final answer
    x = 8,437.43

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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.