Home / 6,187-8,538.60-3,393.04

Finding the Fourth Proportional to 6,187, 8,538.60 and 3,393.04

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Solution

The fourth proportional to 6,187, 8,538.60 and 3,393.04 is: 4,682.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187 : 8,538.60 = 3,393.04 : x
  2. Step 2: Convert to fraction form
    6,187/8,538.60 = 3,393.04/x
  3. Step 3: Cross multiply
    6,187x = 8,538.60 × 3,393.04
  4. Step 4: Simplify right side
    6,187x = 28,971,811.34
  5. Step 5: Solve for x
    x = 28,971,811.34/6,187
  6. Step 6: Final answer
    x = 4,682.69

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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.