Home / 4,420.45-6,630.27-2,230.66

Finding the Fourth Proportional to 4,420.45, 6,630.27 and 2,230.66

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Solution

The fourth proportional to 4,420.45, 6,630.27 and 2,230.66 is: 3,345.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.45 : 6,630.27 = 2,230.66 : x
  2. Step 2: Convert to fraction form
    4,420.45/6,630.27 = 2,230.66/x
  3. Step 3: Cross multiply
    4,420.45x = 6,630.27 × 2,230.66
  4. Step 4: Simplify right side
    4,420.45x = 14,789,878.08
  5. Step 5: Solve for x
    x = 14,789,878.08/4,420.45
  6. Step 6: Final answer
    x = 3,345.79

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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.