Home / 5,388.96-7,436.16-3,264.96

Finding the Fourth Proportional to 5,388.96, 7,436.16 and 3,264.96

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Solution

The fourth proportional to 5,388.96, 7,436.16 and 3,264.96 is: 4,505.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.96 : 7,436.16 = 3,264.96 : x
  2. Step 2: Convert to fraction form
    5,388.96/7,436.16 = 3,264.96/x
  3. Step 3: Cross multiply
    5,388.96x = 7,436.16 × 3,264.96
  4. Step 4: Simplify right side
    5,388.96x = 24,278,764.95
  5. Step 5: Solve for x
    x = 24,278,764.95/5,388.96
  6. Step 6: Final answer
    x = 4,505.28

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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.