Home / 5,400.30-7,453.96-3,511.92

Finding the Fourth Proportional to 5,400.30, 7,453.96 and 3,511.92

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Solution

The fourth proportional to 5,400.30, 7,453.96 and 3,511.92 is: 4,847.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.30 : 7,453.96 = 3,511.92 : x
  2. Step 2: Convert to fraction form
    5,400.30/7,453.96 = 3,511.92/x
  3. Step 3: Cross multiply
    5,400.30x = 7,453.96 × 3,511.92
  4. Step 4: Simplify right side
    5,400.30x = 26,177,711.20
  5. Step 5: Solve for x
    x = 26,177,711.20/5,400.30
  6. Step 6: Final answer
    x = 4,847.45

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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.