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Finding the Fourth Proportional to 6,983.82, 10,477.98 and 2,601.90

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Solution

The fourth proportional to 6,983.82, 10,477.98 and 2,601.90 is: 3,903.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,983.82 : 10,477.98 = 2,601.90 : x
  2. Step 2: Convert to fraction form
    6,983.82/10,477.98 = 2,601.90/x
  3. Step 3: Cross multiply
    6,983.82x = 10,477.98 × 2,601.90
  4. Step 4: Simplify right side
    6,983.82x = 27,262,656.16
  5. Step 5: Solve for x
    x = 27,262,656.16/6,983.82
  6. Step 6: Final answer
    x = 3,903.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.