Home / 5,383.35-8,077.77-3,165.39

Finding the Fourth Proportional to 5,383.35, 8,077.77 and 3,165.39

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Solution

The fourth proportional to 5,383.35, 8,077.77 and 3,165.39 is: 4,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.35 : 8,077.77 = 3,165.39 : x
  2. Step 2: Convert to fraction form
    5,383.35/8,077.77 = 3,165.39/x
  3. Step 3: Cross multiply
    5,383.35x = 8,077.77 × 3,165.39
  4. Step 4: Simplify right side
    5,383.35x = 25,569,292.38
  5. Step 5: Solve for x
    x = 25,569,292.38/5,383.35
  6. Step 6: Final answer
    x = 4,749.70

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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.