Home / 7,664.23-11,500.70-2,983.63

Finding the Fourth Proportional to 7,664.23, 11,500.70 and 2,983.63

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Solution

The fourth proportional to 7,664.23, 11,500.70 and 2,983.63 is: 4,477.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.23 : 11,500.70 = 2,983.63 : x
  2. Step 2: Convert to fraction form
    7,664.23/11,500.70 = 2,983.63/x
  3. Step 3: Cross multiply
    7,664.23x = 11,500.70 × 2,983.63
  4. Step 4: Simplify right side
    7,664.23x = 34,313,817.84
  5. Step 5: Solve for x
    x = 34,313,817.84/7,664.23
  6. Step 6: Final answer
    x = 4,477.14

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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.