Home / 4,299.60-6,442.20-2,103.60

Finding the Fourth Proportional to 4,299.60, 6,442.20 and 2,103.60

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Solution

The fourth proportional to 4,299.60, 6,442.20 and 2,103.60 is: 3,151.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,299.60 : 6,442.20 = 2,103.60 : x
  2. Step 2: Convert to fraction form
    4,299.60/6,442.20 = 2,103.60/x
  3. Step 3: Cross multiply
    4,299.60x = 6,442.20 × 2,103.60
  4. Step 4: Simplify right side
    4,299.60x = 13,551,811.92
  5. Step 5: Solve for x
    x = 13,551,811.92/4,299.60
  6. Step 6: Final answer
    x = 3,151.88

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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.