Home / 6,187.20-8,538.23-3,498.38

Finding the Fourth Proportional to 6,187.20, 8,538.23 and 3,498.38

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Solution

The fourth proportional to 6,187.20, 8,538.23 and 3,498.38 is: 4,827.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.20 : 8,538.23 = 3,498.38 : x
  2. Step 2: Convert to fraction form
    6,187.20/8,538.23 = 3,498.38/x
  3. Step 3: Cross multiply
    6,187.20x = 8,538.23 × 3,498.38
  4. Step 4: Simplify right side
    6,187.20x = 29,869,930.38
  5. Step 5: Solve for x
    x = 29,869,930.38/6,187.20
  6. Step 6: Final answer
    x = 4,827.70

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Half scale
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Double scale
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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.