Home / 4,103.91-6,156.83-1,330.58

Finding the Fourth Proportional to 4,103.91, 6,156.83 and 1,330.58

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Solution

The fourth proportional to 4,103.91, 6,156.83 and 1,330.58 is: 1,996.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.91 : 6,156.83 = 1,330.58 : x
  2. Step 2: Convert to fraction form
    4,103.91/6,156.83 = 1,330.58/x
  3. Step 3: Cross multiply
    4,103.91x = 6,156.83 × 1,330.58
  4. Step 4: Simplify right side
    4,103.91x = 8,192,154.86
  5. Step 5: Solve for x
    x = 8,192,154.86/4,103.91
  6. Step 6: Final answer
    x = 1,996.19

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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.