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Finding the Fourth Proportional to 6,234.04, 8,603.86 and 3,995.20

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Solution

The fourth proportional to 6,234.04, 8,603.86 and 3,995.20 is: 5,513.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,234.04 : 8,603.86 = 3,995.20 : x
  2. Step 2: Convert to fraction form
    6,234.04/8,603.86 = 3,995.20/x
  3. Step 3: Cross multiply
    6,234.04x = 8,603.86 × 3,995.20
  4. Step 4: Simplify right side
    6,234.04x = 34,374,141.47
  5. Step 5: Solve for x
    x = 34,374,141.47/6,234.04
  6. Step 6: Final answer
    x = 5,513.94

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Half scale
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Double scale
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Similar ratio
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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.