Home / 7,516.38-11,274.31-1,969.68

Finding the Fourth Proportional to 7,516.38, 11,274.31 and 1,969.68

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Solution

The fourth proportional to 7,516.38, 11,274.31 and 1,969.68 is: 2,954.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.38 : 11,274.31 = 1,969.68 : x
  2. Step 2: Convert to fraction form
    7,516.38/11,274.31 = 1,969.68/x
  3. Step 3: Cross multiply
    7,516.38x = 11,274.31 × 1,969.68
  4. Step 4: Simplify right side
    7,516.38x = 22,206,773.07
  5. Step 5: Solve for x
    x = 22,206,773.07/7,516.38
  6. Step 6: Final answer
    x = 2,954.45

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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.