Home / 4,923.80-7,385.70-2,002.20

Finding the Fourth Proportional to 4,923.80, 7,385.70 and 2,002.20

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Solution

The fourth proportional to 4,923.80, 7,385.70 and 2,002.20 is: 3,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.80 : 7,385.70 = 2,002.20 : x
  2. Step 2: Convert to fraction form
    4,923.80/7,385.70 = 2,002.20/x
  3. Step 3: Cross multiply
    4,923.80x = 7,385.70 × 2,002.20
  4. Step 4: Simplify right side
    4,923.80x = 14,787,648.54
  5. Step 5: Solve for x
    x = 14,787,648.54/4,923.80
  6. Step 6: Final answer
    x = 3,003.30

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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.