Home / 9,162.28-13,741.26-3,320.20

Finding the Fourth Proportional to 9,162.28, 13,741.26 and 3,320.20

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Solution

The fourth proportional to 9,162.28, 13,741.26 and 3,320.20 is: 4,979.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162.28 : 13,741.26 = 3,320.20 : x
  2. Step 2: Convert to fraction form
    9,162.28/13,741.26 = 3,320.20/x
  3. Step 3: Cross multiply
    9,162.28x = 13,741.26 × 3,320.20
  4. Step 4: Simplify right side
    9,162.28x = 45,623,731.45
  5. Step 5: Solve for x
    x = 45,623,731.45/9,162.28
  6. Step 6: Final answer
    x = 4,979.52

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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.