Home / 7,834.56-10,811.91-4,431.31

Finding the Fourth Proportional to 7,834.56, 10,811.91 and 4,431.31

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Solution

The fourth proportional to 7,834.56, 10,811.91 and 4,431.31 is: 6,115.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.56 : 10,811.91 = 4,431.31 : x
  2. Step 2: Convert to fraction form
    7,834.56/10,811.91 = 4,431.31/x
  3. Step 3: Cross multiply
    7,834.56x = 10,811.91 × 4,431.31
  4. Step 4: Simplify right side
    7,834.56x = 47,910,914.49
  5. Step 5: Solve for x
    x = 47,910,914.49/7,834.56
  6. Step 6: Final answer
    x = 6,115.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.