Home / 8,228.15-11,354.81-4,451.32

Finding the Fourth Proportional to 8,228.15, 11,354.81 and 4,451.32

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Solution

The fourth proportional to 8,228.15, 11,354.81 and 4,451.32 is: 6,142.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.15 : 11,354.81 = 4,451.32 : x
  2. Step 2: Convert to fraction form
    8,228.15/11,354.81 = 4,451.32/x
  3. Step 3: Cross multiply
    8,228.15x = 11,354.81 × 4,451.32
  4. Step 4: Simplify right side
    8,228.15x = 50,543,892.85
  5. Step 5: Solve for x
    x = 50,543,892.85/8,228.15
  6. Step 6: Final answer
    x = 6,142.80

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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.