Home / 5,388.24-7,433.70-3,975.30

Finding the Fourth Proportional to 5,388.24, 7,433.70 and 3,975.30

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Solution

The fourth proportional to 5,388.24, 7,433.70 and 3,975.30 is: 5,484.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.24 : 7,433.70 = 3,975.30 : x
  2. Step 2: Convert to fraction form
    5,388.24/7,433.70 = 3,975.30/x
  3. Step 3: Cross multiply
    5,388.24x = 7,433.70 × 3,975.30
  4. Step 4: Simplify right side
    5,388.24x = 29,551,187.61
  5. Step 5: Solve for x
    x = 29,551,187.61/5,388.24
  6. Step 6: Final answer
    x = 5,484.39

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1.5x scale

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.