Home / 5,129.28-7,694.88-2,051.52

Finding the Fourth Proportional to 5,129.28, 7,694.88 and 2,051.52

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Solution

The fourth proportional to 5,129.28, 7,694.88 and 2,051.52 is: 3,077.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129.28 : 7,694.88 = 2,051.52 : x
  2. Step 2: Convert to fraction form
    5,129.28/7,694.88 = 2,051.52/x
  3. Step 3: Cross multiply
    5,129.28x = 7,694.88 × 2,051.52
  4. Step 4: Simplify right side
    5,129.28x = 15,786,200.22
  5. Step 5: Solve for x
    x = 15,786,200.22/5,129.28
  6. Step 6: Final answer
    x = 3,077.66

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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.