Home / 5,527.20-7,628.58-3,170.88

Finding the Fourth Proportional to 5,527.20, 7,628.58 and 3,170.88

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Solution

The fourth proportional to 5,527.20, 7,628.58 and 3,170.88 is: 4,376.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,527.20 : 7,628.58 = 3,170.88 : x
  2. Step 2: Convert to fraction form
    5,527.20/7,628.58 = 3,170.88/x
  3. Step 3: Cross multiply
    5,527.20x = 7,628.58 × 3,170.88
  4. Step 4: Simplify right side
    5,527.20x = 24,189,311.75
  5. Step 5: Solve for x
    x = 24,189,311.75/5,527.20
  6. Step 6: Final answer
    x = 4,376.41

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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.