Home / 9,086.63-13,629.96-2,930.63

Finding the Fourth Proportional to 9,086.63, 13,629.96 and 2,930.63

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Solution

The fourth proportional to 9,086.63, 13,629.96 and 2,930.63 is: 4,395.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,086.63 : 13,629.96 = 2,930.63 : x
  2. Step 2: Convert to fraction form
    9,086.63/13,629.96 = 2,930.63/x
  3. Step 3: Cross multiply
    9,086.63x = 13,629.96 × 2,930.63
  4. Step 4: Simplify right side
    9,086.63x = 39,944,301.53
  5. Step 5: Solve for x
    x = 39,944,301.53/9,086.63
  6. Step 6: Final answer
    x = 4,395.94

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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.