Home / 4,051.28-6,076.96-1,129.55

Finding the Fourth Proportional to 4,051.28, 6,076.96 and 1,129.55

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Solution

The fourth proportional to 4,051.28, 6,076.96 and 1,129.55 is: 1,694.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,051.28 : 6,076.96 = 1,129.55 : x
  2. Step 2: Convert to fraction form
    4,051.28/6,076.96 = 1,129.55/x
  3. Step 3: Cross multiply
    4,051.28x = 6,076.96 × 1,129.55
  4. Step 4: Simplify right side
    4,051.28x = 6,864,196.96
  5. Step 5: Solve for x
    x = 6,864,196.96/4,051.28
  6. Step 6: Final answer
    x = 1,694.33

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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.