Home / 4,419.71-6,629.45-1,299.63

Finding the Fourth Proportional to 4,419.71, 6,629.45 and 1,299.63

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Solution

The fourth proportional to 4,419.71, 6,629.45 and 1,299.63 is: 1,949.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,419.71 : 6,629.45 = 1,299.63 : x
  2. Step 2: Convert to fraction form
    4,419.71/6,629.45 = 1,299.63/x
  3. Step 3: Cross multiply
    4,419.71x = 6,629.45 × 1,299.63
  4. Step 4: Simplify right side
    4,419.71x = 8,615,835.35
  5. Step 5: Solve for x
    x = 8,615,835.35/4,419.71
  6. Step 6: Final answer
    x = 1,949.41

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Similar ratio
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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.