Home / 4,739.12-7,114.84-3,644.25

Finding the Fourth Proportional to 4,739.12, 7,114.84 and 3,644.25

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Solution

The fourth proportional to 4,739.12, 7,114.84 and 3,644.25 is: 5,471.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.12 : 7,114.84 = 3,644.25 : x
  2. Step 2: Convert to fraction form
    4,739.12/7,114.84 = 3,644.25/x
  3. Step 3: Cross multiply
    4,739.12x = 7,114.84 × 3,644.25
  4. Step 4: Simplify right side
    4,739.12x = 25,928,237.45
  5. Step 5: Solve for x
    x = 25,928,237.45/4,739.12
  6. Step 6: Final answer
    x = 5,471.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.