Home / 5,458.04-8,187.94-2,171.16

Finding the Fourth Proportional to 5,458.04, 8,187.94 and 2,171.16

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Solution

The fourth proportional to 5,458.04, 8,187.94 and 2,171.16 is: 3,257.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.04 : 8,187.94 = 2,171.16 : x
  2. Step 2: Convert to fraction form
    5,458.04/8,187.94 = 2,171.16/x
  3. Step 3: Cross multiply
    5,458.04x = 8,187.94 × 2,171.16
  4. Step 4: Simplify right side
    5,458.04x = 17,777,327.81
  5. Step 5: Solve for x
    x = 17,777,327.81/5,458.04
  6. Step 6: Final answer
    x = 3,257.09

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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.