Home / 8,107.83-12,153.38-2,838.24

Finding the Fourth Proportional to 8,107.83, 12,153.38 and 2,838.24

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Solution

The fourth proportional to 8,107.83, 12,153.38 and 2,838.24 is: 4,254.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.83 : 12,153.38 = 2,838.24 : x
  2. Step 2: Convert to fraction form
    8,107.83/12,153.38 = 2,838.24/x
  3. Step 3: Cross multiply
    8,107.83x = 12,153.38 × 2,838.24
  4. Step 4: Simplify right side
    8,107.83x = 34,494,195.06
  5. Step 5: Solve for x
    x = 34,494,195.06/8,107.83
  6. Step 6: Final answer
    x = 4,254.43

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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.