Home / 7,629.61-11,446.25-3,184.81

Finding the Fourth Proportional to 7,629.61, 11,446.25 and 3,184.81

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Solution

The fourth proportional to 7,629.61, 11,446.25 and 3,184.81 is: 4,777.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.61 : 11,446.25 = 3,184.81 : x
  2. Step 2: Convert to fraction form
    7,629.61/11,446.25 = 3,184.81/x
  3. Step 3: Cross multiply
    7,629.61x = 11,446.25 × 3,184.81
  4. Step 4: Simplify right side
    7,629.61x = 36,454,131.46
  5. Step 5: Solve for x
    x = 36,454,131.46/7,629.61
  6. Step 6: Final answer
    x = 4,777.98

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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.