Home / 6,811.92-9,400.08-3,828.24

Finding the Fourth Proportional to 6,811.92, 9,400.08 and 3,828.24

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Solution

The fourth proportional to 6,811.92, 9,400.08 and 3,828.24 is: 5,282.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.92 : 9,400.08 = 3,828.24 : x
  2. Step 2: Convert to fraction form
    6,811.92/9,400.08 = 3,828.24/x
  3. Step 3: Cross multiply
    6,811.92x = 9,400.08 × 3,828.24
  4. Step 4: Simplify right side
    6,811.92x = 35,985,762.26
  5. Step 5: Solve for x
    x = 35,985,762.26/6,811.92
  6. Step 6: Final answer
    x = 5,282.76

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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.