Home / 7,983.56-11,017.32-4,447.00

Finding the Fourth Proportional to 7,983.56, 11,017.32 and 4,447.00

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Solution

The fourth proportional to 7,983.56, 11,017.32 and 4,447.00 is: 6,136.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.56 : 11,017.32 = 4,447.00 : x
  2. Step 2: Convert to fraction form
    7,983.56/11,017.32 = 4,447.00/x
  3. Step 3: Cross multiply
    7,983.56x = 11,017.32 × 4,447.00
  4. Step 4: Simplify right side
    7,983.56x = 48,994,019.14
  5. Step 5: Solve for x
    x = 48,994,019.14/7,983.56
  6. Step 6: Final answer
    x = 6,136.86

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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.