Home / 5,529.64-7,623.42-3,763

Finding the Fourth Proportional to 5,529.64, 7,623.42 and 3,763

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Solution

The fourth proportional to 5,529.64, 7,623.42 and 3,763 is: 5,187.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.64 : 7,623.42 = 3,763 : x
  2. Step 2: Convert to fraction form
    5,529.64/7,623.42 = 3,763/x
  3. Step 3: Cross multiply
    5,529.64x = 7,623.42 × 3,763
  4. Step 4: Simplify right side
    5,529.64x = 28,686,929.46
  5. Step 5: Solve for x
    x = 28,686,929.46/5,529.64
  6. Step 6: Final answer
    x = 5,187.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.