Home / 6,528.29-9,791.50-2,086.46

Finding the Fourth Proportional to 6,528.29, 9,791.50 and 2,086.46

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Solution

The fourth proportional to 6,528.29, 9,791.50 and 2,086.46 is: 3,129.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.29 : 9,791.50 = 2,086.46 : x
  2. Step 2: Convert to fraction form
    6,528.29/9,791.50 = 2,086.46/x
  3. Step 3: Cross multiply
    6,528.29x = 9,791.50 × 2,086.46
  4. Step 4: Simplify right side
    6,528.29x = 20,429,573.09
  5. Step 5: Solve for x
    x = 20,429,573.09/6,528.29
  6. Step 6: Final answer
    x = 3,129.39

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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.