Home / 4,960.20-7,440.39-1,998.93

Finding the Fourth Proportional to 4,960.20, 7,440.39 and 1,998.93

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Solution

The fourth proportional to 4,960.20, 7,440.39 and 1,998.93 is: 2,998.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,960.20 : 7,440.39 = 1,998.93 : x
  2. Step 2: Convert to fraction form
    4,960.20/7,440.39 = 1,998.93/x
  3. Step 3: Cross multiply
    4,960.20x = 7,440.39 × 1,998.93
  4. Step 4: Simplify right side
    4,960.20x = 14,872,818.78
  5. Step 5: Solve for x
    x = 14,872,818.78/4,960.20
  6. Step 6: Final answer
    x = 2,998.43

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Double scale
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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.