Home / 4,103.28-6,154.88-1,181.61

Finding the Fourth Proportional to 4,103.28, 6,154.88 and 1,181.61

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Solution

The fourth proportional to 4,103.28, 6,154.88 and 1,181.61 is: 1,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.28 : 6,154.88 = 1,181.61 : x
  2. Step 2: Convert to fraction form
    4,103.28/6,154.88 = 1,181.61/x
  3. Step 3: Cross multiply
    4,103.28x = 6,154.88 × 1,181.61
  4. Step 4: Simplify right side
    4,103.28x = 7,272,661.85
  5. Step 5: Solve for x
    x = 7,272,661.85/4,103.28
  6. Step 6: Final answer
    x = 1,772.40

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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.