Home / 7,546.55-11,315.28-3,385.81

Finding the Fourth Proportional to 7,546.55, 11,315.28 and 3,385.81

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Solution

The fourth proportional to 7,546.55, 11,315.28 and 3,385.81 is: 5,076.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,546.55 : 11,315.28 = 3,385.81 : x
  2. Step 2: Convert to fraction form
    7,546.55/11,315.28 = 3,385.81/x
  3. Step 3: Cross multiply
    7,546.55x = 11,315.28 × 3,385.81
  4. Step 4: Simplify right side
    7,546.55x = 38,311,388.18
  5. Step 5: Solve for x
    x = 38,311,388.18/7,546.55
  6. Step 6: Final answer
    x = 5,076.68

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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.