Home / 8,107.84-11,188.40-4,522.56

Finding the Fourth Proportional to 8,107.84, 11,188.40 and 4,522.56

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Solution

The fourth proportional to 8,107.84, 11,188.40 and 4,522.56 is: 6,240.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.84 : 11,188.40 = 4,522.56 : x
  2. Step 2: Convert to fraction form
    8,107.84/11,188.40 = 4,522.56/x
  3. Step 3: Cross multiply
    8,107.84x = 11,188.40 × 4,522.56
  4. Step 4: Simplify right side
    8,107.84x = 50,600,210.30
  5. Step 5: Solve for x
    x = 50,600,210.30/8,107.84
  6. Step 6: Final answer
    x = 6,240.90

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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.