Home / 4,180.20-6,282.45-3,645.60

Finding the Fourth Proportional to 4,180.20, 6,282.45 and 3,645.60

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Solution

The fourth proportional to 4,180.20, 6,282.45 and 3,645.60 is: 5,479.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.20 : 6,282.45 = 3,645.60 : x
  2. Step 2: Convert to fraction form
    4,180.20/6,282.45 = 3,645.60/x
  3. Step 3: Cross multiply
    4,180.20x = 6,282.45 × 3,645.60
  4. Step 4: Simplify right side
    4,180.20x = 22,903,299.72
  5. Step 5: Solve for x
    x = 22,903,299.72/4,180.20
  6. Step 6: Final answer
    x = 5,479.00

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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.