Home / 7,735.38-11,602.71-1,891.68

Finding the Fourth Proportional to 7,735.38, 11,602.71 and 1,891.68

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Solution

The fourth proportional to 7,735.38, 11,602.71 and 1,891.68 is: 2,837.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,735.38 : 11,602.71 = 1,891.68 : x
  2. Step 2: Convert to fraction form
    7,735.38/11,602.71 = 1,891.68/x
  3. Step 3: Cross multiply
    7,735.38x = 11,602.71 × 1,891.68
  4. Step 4: Simplify right side
    7,735.38x = 21,948,614.45
  5. Step 5: Solve for x
    x = 21,948,614.45/7,735.38
  6. Step 6: Final answer
    x = 2,837.43

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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.