Home / 6,187.70-8,538.92-3,498.88

Finding the Fourth Proportional to 6,187.70, 8,538.92 and 3,498.88

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Solution

The fourth proportional to 6,187.70, 8,538.92 and 3,498.88 is: 4,828.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.70 : 8,538.92 = 3,498.88 : x
  2. Step 2: Convert to fraction form
    6,187.70/8,538.92 = 3,498.88/x
  3. Step 3: Cross multiply
    6,187.70x = 8,538.92 × 3,498.88
  4. Step 4: Simplify right side
    6,187.70x = 29,876,613.72
  5. Step 5: Solve for x
    x = 29,876,613.72/6,187.70
  6. Step 6: Final answer
    x = 4,828.39

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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.