Home / 4,960.60-7,440.86-2,187.27

Finding the Fourth Proportional to 4,960.60, 7,440.86 and 2,187.27

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Solution

The fourth proportional to 4,960.60, 7,440.86 and 2,187.27 is: 3,280.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,960.60 : 7,440.86 = 2,187.27 : x
  2. Step 2: Convert to fraction form
    4,960.60/7,440.86 = 2,187.27/x
  3. Step 3: Cross multiply
    4,960.60x = 7,440.86 × 2,187.27
  4. Step 4: Simplify right side
    4,960.60x = 16,275,175.32
  5. Step 5: Solve for x
    x = 16,275,175.32/4,960.60
  6. Step 6: Final answer
    x = 3,280.89

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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.