Home / 7,664.06-11,485.45-3,493.87

Finding the Fourth Proportional to 7,664.06, 11,485.45 and 3,493.87

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Solution

The fourth proportional to 7,664.06, 11,485.45 and 3,493.87 is: 5,235.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.06 : 11,485.45 = 3,493.87 : x
  2. Step 2: Convert to fraction form
    7,664.06/11,485.45 = 3,493.87/x
  3. Step 3: Cross multiply
    7,664.06x = 11,485.45 × 3,493.87
  4. Step 4: Simplify right side
    7,664.06x = 40,128,669.19
  5. Step 5: Solve for x
    x = 40,128,669.19/7,664.06
  6. Step 6: Final answer
    x = 5,235.95

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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.