Home / 4,213.28-6,319.96-2,761.63

Finding the Fourth Proportional to 4,213.28, 6,319.96 and 2,761.63

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Solution

The fourth proportional to 4,213.28, 6,319.96 and 2,761.63 is: 4,142.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.28 : 6,319.96 = 2,761.63 : x
  2. Step 2: Convert to fraction form
    4,213.28/6,319.96 = 2,761.63/x
  3. Step 3: Cross multiply
    4,213.28x = 6,319.96 × 2,761.63
  4. Step 4: Simplify right side
    4,213.28x = 17,453,368.43
  5. Step 5: Solve for x
    x = 17,453,368.43/4,213.28
  6. Step 6: Final answer
    x = 4,142.46

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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.