Home / 5,529.60-7,623.68-3,875.84

Finding the Fourth Proportional to 5,529.60, 7,623.68 and 3,875.84

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Solution

The fourth proportional to 5,529.60, 7,623.68 and 3,875.84 is: 5,343.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.60 : 7,623.68 = 3,875.84 : x
  2. Step 2: Convert to fraction form
    5,529.60/7,623.68 = 3,875.84/x
  3. Step 3: Cross multiply
    5,529.60x = 7,623.68 × 3,875.84
  4. Step 4: Simplify right side
    5,529.60x = 29,548,163.89
  5. Step 5: Solve for x
    x = 29,548,163.89/5,529.60
  6. Step 6: Final answer
    x = 5,343.63

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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.