Home / 4,923.84-7,380-1,998.24

Finding the Fourth Proportional to 4,923.84, 7,380 and 1,998.24

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Solution

The fourth proportional to 4,923.84, 7,380 and 1,998.24 is: 2,995.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.84 : 7,380 = 1,998.24 : x
  2. Step 2: Convert to fraction form
    4,923.84/7,380 = 1,998.24/x
  3. Step 3: Cross multiply
    4,923.84x = 7,380 × 1,998.24
  4. Step 4: Simplify right side
    4,923.84x = 14,747,011.20
  5. Step 5: Solve for x
    x = 14,747,011.20/4,923.84
  6. Step 6: Final answer
    x = 2,995.02

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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.