Home / 4,420.51-6,630.78-2,231.08

Finding the Fourth Proportional to 4,420.51, 6,630.78 and 2,231.08

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Solution

The fourth proportional to 4,420.51, 6,630.78 and 2,231.08 is: 3,346.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.51 : 6,630.78 = 2,231.08 : x
  2. Step 2: Convert to fraction form
    4,420.51/6,630.78 = 2,231.08/x
  3. Step 3: Cross multiply
    4,420.51x = 6,630.78 × 2,231.08
  4. Step 4: Simplify right side
    4,420.51x = 14,793,800.64
  5. Step 5: Solve for x
    x = 14,793,800.64/4,420.51
  6. Step 6: Final answer
    x = 3,346.63

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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.