Home / 7,449.87-11,178.65-4,952.79

Finding the Fourth Proportional to 7,449.87, 11,178.65 and 4,952.79

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Solution

The fourth proportional to 7,449.87, 11,178.65 and 4,952.79 is: 7,431.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.87 : 11,178.65 = 4,952.79 : x
  2. Step 2: Convert to fraction form
    7,449.87/11,178.65 = 4,952.79/x
  3. Step 3: Cross multiply
    7,449.87x = 11,178.65 × 4,952.79
  4. Step 4: Simplify right side
    7,449.87x = 55,365,505.93
  5. Step 5: Solve for x
    x = 55,365,505.93/7,449.87
  6. Step 6: Final answer
    x = 7,431.74

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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.