Home / 6,630.60-9,943.86-2,187.44

Finding the Fourth Proportional to 6,630.60, 9,943.86 and 2,187.44

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Solution

The fourth proportional to 6,630.60, 9,943.86 and 2,187.44 is: 3,280.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.60 : 9,943.86 = 2,187.44 : x
  2. Step 2: Convert to fraction form
    6,630.60/9,943.86 = 2,187.44/x
  3. Step 3: Cross multiply
    6,630.60x = 9,943.86 × 2,187.44
  4. Step 4: Simplify right side
    6,630.60x = 21,751,630.18
  5. Step 5: Solve for x
    x = 21,751,630.18/6,630.60
  6. Step 6: Final answer
    x = 3,280.49

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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.