Home / 4,739.78-6,540.80-2,750.53

Finding the Fourth Proportional to 4,739.78, 6,540.80 and 2,750.53

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Solution

The fourth proportional to 4,739.78, 6,540.80 and 2,750.53 is: 3,795.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.78 : 6,540.80 = 2,750.53 : x
  2. Step 2: Convert to fraction form
    4,739.78/6,540.80 = 2,750.53/x
  3. Step 3: Cross multiply
    4,739.78x = 6,540.80 × 2,750.53
  4. Step 4: Simplify right side
    4,739.78x = 17,990,666.62
  5. Step 5: Solve for x
    x = 17,990,666.62/4,739.78
  6. Step 6: Final answer
    x = 3,795.68

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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.