Home / 7,449.87-11,178.90-4,530.23

Finding the Fourth Proportional to 7,449.87, 11,178.90 and 4,530.23

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Solution

The fourth proportional to 7,449.87, 11,178.90 and 4,530.23 is: 6,797.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.87 : 11,178.90 = 4,530.23 : x
  2. Step 2: Convert to fraction form
    7,449.87/11,178.90 = 4,530.23/x
  3. Step 3: Cross multiply
    7,449.87x = 11,178.90 × 4,530.23
  4. Step 4: Simplify right side
    7,449.87x = 50,642,932.25
  5. Step 5: Solve for x
    x = 50,642,932.25/7,449.87
  6. Step 6: Final answer
    x = 6,797.83

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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.