Home / 5,412.56-7,464.15-3,288.44

Finding the Fourth Proportional to 5,412.56, 7,464.15 and 3,288.44

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Solution

The fourth proportional to 5,412.56, 7,464.15 and 3,288.44 is: 4,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.56 : 7,464.15 = 3,288.44 : x
  2. Step 2: Convert to fraction form
    5,412.56/7,464.15 = 3,288.44/x
  3. Step 3: Cross multiply
    5,412.56x = 7,464.15 × 3,288.44
  4. Step 4: Simplify right side
    5,412.56x = 24,545,409.43
  5. Step 5: Solve for x
    x = 24,545,409.43/5,412.56
  6. Step 6: Final answer
    x = 4,534.90

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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.