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Finding the Fourth Proportional to 4,664.98, 6,997.47 and 4,431.39

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Solution

The fourth proportional to 4,664.98, 6,997.47 and 4,431.39 is: 6,647.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,664.98 : 6,997.47 = 4,431.39 : x
  2. Step 2: Convert to fraction form
    4,664.98/6,997.47 = 4,431.39/x
  3. Step 3: Cross multiply
    4,664.98x = 6,997.47 × 4,431.39
  4. Step 4: Simplify right side
    4,664.98x = 31,008,518.58
  5. Step 5: Solve for x
    x = 31,008,518.58/4,664.98
  6. Step 6: Final answer
    x = 6,647.09

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1.5x scale

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.