Home / 4,914.80-7,373.96-2,449.40

Finding the Fourth Proportional to 4,914.80, 7,373.96 and 2,449.40

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Solution

The fourth proportional to 4,914.80, 7,373.96 and 2,449.40 is: 3,674.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.80 : 7,373.96 = 2,449.40 : x
  2. Step 2: Convert to fraction form
    4,914.80/7,373.96 = 2,449.40/x
  3. Step 3: Cross multiply
    4,914.80x = 7,373.96 × 2,449.40
  4. Step 4: Simplify right side
    4,914.80x = 18,061,777.62
  5. Step 5: Solve for x
    x = 18,061,777.62/4,914.80
  6. Step 6: Final answer
    x = 3,674.98

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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.