Home / 9,309.70-13,956.68-4,040.75

Finding the Fourth Proportional to 9,309.70, 13,956.68 and 4,040.75

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Solution

The fourth proportional to 9,309.70, 13,956.68 and 4,040.75 is: 6,057.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.70 : 13,956.68 = 4,040.75 : x
  2. Step 2: Convert to fraction form
    9,309.70/13,956.68 = 4,040.75/x
  3. Step 3: Cross multiply
    9,309.70x = 13,956.68 × 4,040.75
  4. Step 4: Simplify right side
    9,309.70x = 56,395,483.40
  5. Step 5: Solve for x
    x = 56,395,483.40/9,309.70
  6. Step 6: Final answer
    x = 6,057.71

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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.