Home / 8,107.13-11,187.86-4,522.32

Finding the Fourth Proportional to 8,107.13, 11,187.86 and 4,522.32

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Solution

The fourth proportional to 8,107.13, 11,187.86 and 4,522.32 is: 6,240.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.13 : 11,187.86 = 4,522.32 : x
  2. Step 2: Convert to fraction form
    8,107.13/11,187.86 = 4,522.32/x
  3. Step 3: Cross multiply
    8,107.13x = 11,187.86 × 4,522.32
  4. Step 4: Simplify right side
    8,107.13x = 50,595,134.57
  5. Step 5: Solve for x
    x = 50,595,134.57/8,107.13
  6. Step 6: Final answer
    x = 6,240.82

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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.