Home / 8,298.36-12,449.39-3,619.13

Finding the Fourth Proportional to 8,298.36, 12,449.39 and 3,619.13

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Solution

The fourth proportional to 8,298.36, 12,449.39 and 3,619.13 is: 5,429.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298.36 : 12,449.39 = 3,619.13 : x
  2. Step 2: Convert to fraction form
    8,298.36/12,449.39 = 3,619.13/x
  3. Step 3: Cross multiply
    8,298.36x = 12,449.39 × 3,619.13
  4. Step 4: Simplify right side
    8,298.36x = 45,055,880.49
  5. Step 5: Solve for x
    x = 45,055,880.49/8,298.36
  6. Step 6: Final answer
    x = 5,429.49

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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.