Home / 4,453.60-6,680.40-3,416.80

Finding the Fourth Proportional to 4,453.60, 6,680.40 and 3,416.80

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Solution

The fourth proportional to 4,453.60, 6,680.40 and 3,416.80 is: 5,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.60 : 6,680.40 = 3,416.80 : x
  2. Step 2: Convert to fraction form
    4,453.60/6,680.40 = 3,416.80/x
  3. Step 3: Cross multiply
    4,453.60x = 6,680.40 × 3,416.80
  4. Step 4: Simplify right side
    4,453.60x = 22,825,590.72
  5. Step 5: Solve for x
    x = 22,825,590.72/4,453.60
  6. Step 6: Final answer
    x = 5,125.20

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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.