Home / 4,422.20-6,631.38-1,343.48

Finding the Fourth Proportional to 4,422.20, 6,631.38 and 1,343.48

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Solution

The fourth proportional to 4,422.20, 6,631.38 and 1,343.48 is: 2,014.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,422.20 : 6,631.38 = 1,343.48 : x
  2. Step 2: Convert to fraction form
    4,422.20/6,631.38 = 1,343.48/x
  3. Step 3: Cross multiply
    4,422.20x = 6,631.38 × 1,343.48
  4. Step 4: Simplify right side
    4,422.20x = 8,909,126.40
  5. Step 5: Solve for x
    x = 8,909,126.40/4,422.20
  6. Step 6: Final answer
    x = 2,014.64

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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.