Home / 9,112.28-13,668.40-2,538.48

Finding the Fourth Proportional to 9,112.28, 13,668.40 and 2,538.48

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Solution

The fourth proportional to 9,112.28, 13,668.40 and 2,538.48 is: 3,807.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112.28 : 13,668.40 = 2,538.48 : x
  2. Step 2: Convert to fraction form
    9,112.28/13,668.40 = 2,538.48/x
  3. Step 3: Cross multiply
    9,112.28x = 13,668.40 × 2,538.48
  4. Step 4: Simplify right side
    9,112.28x = 34,696,960.03
  5. Step 5: Solve for x
    x = 34,696,960.03/9,112.28
  6. Step 6: Final answer
    x = 3,807.71

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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.