Home / 4,783.76-7,168.07-3,690.80

Finding the Fourth Proportional to 4,783.76, 7,168.07 and 3,690.80

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Solution

The fourth proportional to 4,783.76, 7,168.07 and 3,690.80 is: 5,530.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783.76 : 7,168.07 = 3,690.80 : x
  2. Step 2: Convert to fraction form
    4,783.76/7,168.07 = 3,690.80/x
  3. Step 3: Cross multiply
    4,783.76x = 7,168.07 × 3,690.80
  4. Step 4: Simplify right side
    4,783.76x = 26,455,912.76
  5. Step 5: Solve for x
    x = 26,455,912.76/4,783.76
  6. Step 6: Final answer
    x = 5,530.36

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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.