Home / 5,320.20-7,989.66-4,601.64

Finding the Fourth Proportional to 5,320.20, 7,989.66 and 4,601.64

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Solution

The fourth proportional to 5,320.20, 7,989.66 and 4,601.64 is: 6,910.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.20 : 7,989.66 = 4,601.64 : x
  2. Step 2: Convert to fraction form
    5,320.20/7,989.66 = 4,601.64/x
  3. Step 3: Cross multiply
    5,320.20x = 7,989.66 × 4,601.64
  4. Step 4: Simplify right side
    5,320.20x = 36,765,539.04
  5. Step 5: Solve for x
    x = 36,765,539.04/5,320.20
  6. Step 6: Final answer
    x = 6,910.56

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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.