Home / 9,238.38-13,859.76-2,998.40

Finding the Fourth Proportional to 9,238.38, 13,859.76 and 2,998.40

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Solution

The fourth proportional to 9,238.38, 13,859.76 and 2,998.40 is: 4,498.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,238.38 : 13,859.76 = 2,998.40 : x
  2. Step 2: Convert to fraction form
    9,238.38/13,859.76 = 2,998.40/x
  3. Step 3: Cross multiply
    9,238.38x = 13,859.76 × 2,998.40
  4. Step 4: Simplify right side
    9,238.38x = 41,557,139.03
  5. Step 5: Solve for x
    x = 41,557,139.03/9,238.38
  6. Step 6: Final answer
    x = 4,498.31

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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.