Home / 7,440.75-11,161.17-2,823.75

Finding the Fourth Proportional to 7,440.75, 11,161.17 and 2,823.75

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Solution

The fourth proportional to 7,440.75, 11,161.17 and 2,823.75 is: 4,235.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.75 : 11,161.17 = 2,823.75 : x
  2. Step 2: Convert to fraction form
    7,440.75/11,161.17 = 2,823.75/x
  3. Step 3: Cross multiply
    7,440.75x = 11,161.17 × 2,823.75
  4. Step 4: Simplify right side
    7,440.75x = 31,516,353.79
  5. Step 5: Solve for x
    x = 31,516,353.79/7,440.75
  6. Step 6: Final answer
    x = 4,235.64

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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.