Home / 6,171.39-8,516.64-3,653.45

Finding the Fourth Proportional to 6,171.39, 8,516.64 and 3,653.45

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Solution

The fourth proportional to 6,171.39, 8,516.64 and 3,653.45 is: 5,041.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.39 : 8,516.64 = 3,653.45 : x
  2. Step 2: Convert to fraction form
    6,171.39/8,516.64 = 3,653.45/x
  3. Step 3: Cross multiply
    6,171.39x = 8,516.64 × 3,653.45
  4. Step 4: Simplify right side
    6,171.39x = 31,115,169.37
  5. Step 5: Solve for x
    x = 31,115,169.37/6,171.39
  6. Step 6: Final answer
    x = 5,041.84

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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.