Home / 5,397.39-8,086.77-4,213.80

Finding the Fourth Proportional to 5,397.39, 8,086.77 and 4,213.80

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Solution

The fourth proportional to 5,397.39, 8,086.77 and 4,213.80 is: 6,313.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.39 : 8,086.77 = 4,213.80 : x
  2. Step 2: Convert to fraction form
    5,397.39/8,086.77 = 4,213.80/x
  3. Step 3: Cross multiply
    5,397.39x = 8,086.77 × 4,213.80
  4. Step 4: Simplify right side
    5,397.39x = 34,076,031.43
  5. Step 5: Solve for x
    x = 34,076,031.43/5,397.39
  6. Step 6: Final answer
    x = 6,313.43

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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.