Home / 5,383.98-8,076.31-1,435.19

Finding the Fourth Proportional to 5,383.98, 8,076.31 and 1,435.19

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Solution

The fourth proportional to 5,383.98, 8,076.31 and 1,435.19 is: 2,152.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.98 : 8,076.31 = 1,435.19 : x
  2. Step 2: Convert to fraction form
    5,383.98/8,076.31 = 1,435.19/x
  3. Step 3: Cross multiply
    5,383.98x = 8,076.31 × 1,435.19
  4. Step 4: Simplify right side
    5,383.98x = 11,591,039.35
  5. Step 5: Solve for x
    x = 11,591,039.35/5,383.98
  6. Step 6: Final answer
    x = 2,152.88

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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.