Home / 5,383.58-8,075.36-1,487.97

Finding the Fourth Proportional to 5,383.58, 8,075.36 and 1,487.97

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Solution

The fourth proportional to 5,383.58, 8,075.36 and 1,487.97 is: 2,231.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.58 : 8,075.36 = 1,487.97 : x
  2. Step 2: Convert to fraction form
    5,383.58/8,075.36 = 1,487.97/x
  3. Step 3: Cross multiply
    5,383.58x = 8,075.36 × 1,487.97
  4. Step 4: Simplify right side
    5,383.58x = 12,015,885.98
  5. Step 5: Solve for x
    x = 12,015,885.98/5,383.58
  6. Step 6: Final answer
    x = 2,231.95

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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.