Home / 6,186.88-8,538.30-3,392.38

Finding the Fourth Proportional to 6,186.88, 8,538.30 and 3,392.38

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Solution

The fourth proportional to 6,186.88, 8,538.30 and 3,392.38 is: 4,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,186.88 : 8,538.30 = 3,392.38 : x
  2. Step 2: Convert to fraction form
    6,186.88/8,538.30 = 3,392.38/x
  3. Step 3: Cross multiply
    6,186.88x = 8,538.30 × 3,392.38
  4. Step 4: Simplify right side
    6,186.88x = 28,965,098.50
  5. Step 5: Solve for x
    x = 28,965,098.50/6,186.88
  6. Step 6: Final answer
    x = 4,681.70

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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.