Home / 4,086.26-6,129.38-1,777.76

Finding the Fourth Proportional to 4,086.26, 6,129.38 and 1,777.76

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Solution

The fourth proportional to 4,086.26, 6,129.38 and 1,777.76 is: 2,666.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.26 : 6,129.38 = 1,777.76 : x
  2. Step 2: Convert to fraction form
    4,086.26/6,129.38 = 1,777.76/x
  3. Step 3: Cross multiply
    4,086.26x = 6,129.38 × 1,777.76
  4. Step 4: Simplify right side
    4,086.26x = 10,896,566.59
  5. Step 5: Solve for x
    x = 10,896,566.59/4,086.26
  6. Step 6: Final answer
    x = 2,666.64

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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.