Home / 8,399.36-11,591.36-4,863.68

Finding the Fourth Proportional to 8,399.36, 11,591.36 and 4,863.68

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Solution

The fourth proportional to 8,399.36, 11,591.36 and 4,863.68 is: 6,712.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.36 : 11,591.36 = 4,863.68 : x
  2. Step 2: Convert to fraction form
    8,399.36/11,591.36 = 4,863.68/x
  3. Step 3: Cross multiply
    8,399.36x = 11,591.36 × 4,863.68
  4. Step 4: Simplify right side
    8,399.36x = 56,376,665.80
  5. Step 5: Solve for x
    x = 56,376,665.80/8,399.36
  6. Step 6: Final answer
    x = 6,712.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.