Home / 5,400.92-7,453.34-3,162.28

Finding the Fourth Proportional to 5,400.92, 7,453.34 and 3,162.28

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Solution

The fourth proportional to 5,400.92, 7,453.34 and 3,162.28 is: 4,363.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.92 : 7,453.34 = 3,162.28 : x
  2. Step 2: Convert to fraction form
    5,400.92/7,453.34 = 3,162.28/x
  3. Step 3: Cross multiply
    5,400.92x = 7,453.34 × 3,162.28
  4. Step 4: Simplify right side
    5,400.92x = 23,569,548.02
  5. Step 5: Solve for x
    x = 23,569,548.02/5,400.92
  6. Step 6: Final answer
    x = 4,363.99

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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.