Home / 7,749.94-11,624.91-2,555.81

Finding the Fourth Proportional to 7,749.94, 11,624.91 and 2,555.81

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Solution

The fourth proportional to 7,749.94, 11,624.91 and 2,555.81 is: 3,833.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.94 : 11,624.91 = 2,555.81 : x
  2. Step 2: Convert to fraction form
    7,749.94/11,624.91 = 2,555.81/x
  3. Step 3: Cross multiply
    7,749.94x = 11,624.91 × 2,555.81
  4. Step 4: Simplify right side
    7,749.94x = 29,711,099.87
  5. Step 5: Solve for x
    x = 29,711,099.87/7,749.94
  6. Step 6: Final answer
    x = 3,833.72

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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.