Home / 4,419.57-6,629.15-1,299.45

Finding the Fourth Proportional to 4,419.57, 6,629.15 and 1,299.45

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Solution

The fourth proportional to 4,419.57, 6,629.15 and 1,299.45 is: 1,949.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,419.57 : 6,629.15 = 1,299.45 : x
  2. Step 2: Convert to fraction form
    4,419.57/6,629.15 = 1,299.45/x
  3. Step 3: Cross multiply
    4,419.57x = 6,629.15 × 1,299.45
  4. Step 4: Simplify right side
    4,419.57x = 8,614,242.47
  5. Step 5: Solve for x
    x = 8,614,242.47/4,419.57
  6. Step 6: Final answer
    x = 1,949.11

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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.