Home / 6,777.64-10,158.04-3,078.80

Finding the Fourth Proportional to 6,777.64, 10,158.04 and 3,078.80

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Solution

The fourth proportional to 6,777.64, 10,158.04 and 3,078.80 is: 4,614.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,777.64 : 10,158.04 = 3,078.80 : x
  2. Step 2: Convert to fraction form
    6,777.64/10,158.04 = 3,078.80/x
  3. Step 3: Cross multiply
    6,777.64x = 10,158.04 × 3,078.80
  4. Step 4: Simplify right side
    6,777.64x = 31,274,573.55
  5. Step 5: Solve for x
    x = 31,274,573.55/6,777.64
  6. Step 6: Final answer
    x = 4,614.38

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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.