Home / 9,340.97-12,891.35-5,150.03

Finding the Fourth Proportional to 9,340.97, 12,891.35 and 5,150.03

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Solution

The fourth proportional to 9,340.97, 12,891.35 and 5,150.03 is: 7,107.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,340.97 : 12,891.35 = 5,150.03 : x
  2. Step 2: Convert to fraction form
    9,340.97/12,891.35 = 5,150.03/x
  3. Step 3: Cross multiply
    9,340.97x = 12,891.35 × 5,150.03
  4. Step 4: Simplify right side
    9,340.97x = 66,390,749.03
  5. Step 5: Solve for x
    x = 66,390,749.03/9,340.97
  6. Step 6: Final answer
    x = 7,107.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.