Home / 9,238.40-13,864.28-3,616.90

Finding the Fourth Proportional to 9,238.40, 13,864.28 and 3,616.90

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Solution

The fourth proportional to 9,238.40, 13,864.28 and 3,616.90 is: 5,427.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,238.40 : 13,864.28 = 3,616.90 : x
  2. Step 2: Convert to fraction form
    9,238.40/13,864.28 = 3,616.90/x
  3. Step 3: Cross multiply
    9,238.40x = 13,864.28 × 3,616.90
  4. Step 4: Simplify right side
    9,238.40x = 50,145,714.33
  5. Step 5: Solve for x
    x = 50,145,714.33/9,238.40
  6. Step 6: Final answer
    x = 5,427.97

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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.