Home / 4,213.38-6,312.78-3,276.63

Finding the Fourth Proportional to 4,213.38, 6,312.78 and 3,276.63

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Solution

The fourth proportional to 4,213.38, 6,312.78 and 3,276.63 is: 4,909.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.38 : 6,312.78 = 3,276.63 : x
  2. Step 2: Convert to fraction form
    4,213.38/6,312.78 = 3,276.63/x
  3. Step 3: Cross multiply
    4,213.38x = 6,312.78 × 3,276.63
  4. Step 4: Simplify right side
    4,213.38x = 20,684,644.33
  5. Step 5: Solve for x
    x = 20,684,644.33/4,213.38
  6. Step 6: Final answer
    x = 4,909.28

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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.