Home / 8,107.14-11,187.63-4,522.21

Finding the Fourth Proportional to 8,107.14, 11,187.63 and 4,522.21

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Solution

The fourth proportional to 8,107.14, 11,187.63 and 4,522.21 is: 6,240.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.14 : 11,187.63 = 4,522.21 : x
  2. Step 2: Convert to fraction form
    8,107.14/11,187.63 = 4,522.21/x
  3. Step 3: Cross multiply
    8,107.14x = 11,187.63 × 4,522.21
  4. Step 4: Simplify right side
    8,107.14x = 50,592,784.29
  5. Step 5: Solve for x
    x = 50,592,784.29/8,107.14
  6. Step 6: Final answer
    x = 6,240.52

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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.