Home / 7,664.51-11,493.72-2,665.40

Finding the Fourth Proportional to 7,664.51, 11,493.72 and 2,665.40

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Solution

The fourth proportional to 7,664.51, 11,493.72 and 2,665.40 is: 3,997.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.51 : 11,493.72 = 2,665.40 : x
  2. Step 2: Convert to fraction form
    7,664.51/11,493.72 = 2,665.40/x
  3. Step 3: Cross multiply
    7,664.51x = 11,493.72 × 2,665.40
  4. Step 4: Simplify right side
    7,664.51x = 30,635,303.82
  5. Step 5: Solve for x
    x = 30,635,303.82/7,664.51
  6. Step 6: Final answer
    x = 3,997.04

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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.