Home / 4,329.49-6,489.74-2,105.03

Finding the Fourth Proportional to 4,329.49, 6,489.74 and 2,105.03

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Solution

The fourth proportional to 4,329.49, 6,489.74 and 2,105.03 is: 3,155.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,329.49 : 6,489.74 = 2,105.03 : x
  2. Step 2: Convert to fraction form
    4,329.49/6,489.74 = 2,105.03/x
  3. Step 3: Cross multiply
    4,329.49x = 6,489.74 × 2,105.03
  4. Step 4: Simplify right side
    4,329.49x = 13,661,097.39
  5. Step 5: Solve for x
    x = 13,661,097.39/4,329.49
  6. Step 6: Final answer
    x = 3,155.36

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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.