Home / 8,344.58-11,513.79-5,516.64

Finding the Fourth Proportional to 8,344.58, 11,513.79 and 5,516.64

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Solution

The fourth proportional to 8,344.58, 11,513.79 and 5,516.64 is: 7,611.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,344.58 : 11,513.79 = 5,516.64 : x
  2. Step 2: Convert to fraction form
    8,344.58/11,513.79 = 5,516.64/x
  3. Step 3: Cross multiply
    8,344.58x = 11,513.79 × 5,516.64
  4. Step 4: Simplify right side
    8,344.58x = 63,517,434.47
  5. Step 5: Solve for x
    x = 63,517,434.47/8,344.58
  6. Step 6: Final answer
    x = 7,611.82

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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.