Home / 7,534.81-11,288.58-3,144.61

Finding the Fourth Proportional to 7,534.81, 11,288.58 and 3,144.61

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Solution

The fourth proportional to 7,534.81, 11,288.58 and 3,144.61 is: 4,711.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,534.81 : 11,288.58 = 3,144.61 : x
  2. Step 2: Convert to fraction form
    7,534.81/11,288.58 = 3,144.61/x
  3. Step 3: Cross multiply
    7,534.81x = 11,288.58 × 3,144.61
  4. Step 4: Simplify right side
    7,534.81x = 35,498,181.55
  5. Step 5: Solve for x
    x = 35,498,181.55/7,534.81
  6. Step 6: Final answer
    x = 4,711.22

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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.