Home / 9,320.59-13,982.28-3,081.25

Finding the Fourth Proportional to 9,320.59, 13,982.28 and 3,081.25

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Solution

The fourth proportional to 9,320.59, 13,982.28 and 3,081.25 is: 4,622.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.59 : 13,982.28 = 3,081.25 : x
  2. Step 2: Convert to fraction form
    9,320.59/13,982.28 = 3,081.25/x
  3. Step 3: Cross multiply
    9,320.59x = 13,982.28 × 3,081.25
  4. Step 4: Simplify right side
    9,320.59x = 43,082,900.25
  5. Step 5: Solve for x
    x = 43,082,900.25/9,320.59
  6. Step 6: Final answer
    x = 4,622.34

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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.