Home / 5,383.20-8,077.12-2,263.92

Finding the Fourth Proportional to 5,383.20, 8,077.12 and 2,263.92

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Solution

The fourth proportional to 5,383.20, 8,077.12 and 2,263.92 is: 3,396.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.20 : 8,077.12 = 2,263.92 : x
  2. Step 2: Convert to fraction form
    5,383.20/8,077.12 = 2,263.92/x
  3. Step 3: Cross multiply
    5,383.20x = 8,077.12 × 2,263.92
  4. Step 4: Simplify right side
    5,383.20x = 18,285,953.51
  5. Step 5: Solve for x
    x = 18,285,953.51/5,383.20
  6. Step 6: Final answer
    x = 3,396.86

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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.