Home / 7,664.29-11,490.60-3,964.15

Finding the Fourth Proportional to 7,664.29, 11,490.60 and 3,964.15

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Solution

The fourth proportional to 7,664.29, 11,490.60 and 3,964.15 is: 5,943.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.29 : 11,490.60 = 3,964.15 : x
  2. Step 2: Convert to fraction form
    7,664.29/11,490.60 = 3,964.15/x
  3. Step 3: Cross multiply
    7,664.29x = 11,490.60 × 3,964.15
  4. Step 4: Simplify right side
    7,664.29x = 45,550,461.99
  5. Step 5: Solve for x
    x = 45,550,461.99/7,664.29
  6. Step 6: Final answer
    x = 5,943.21

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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.