Home / 5,385.40-8,075.46-3,193.54

Finding the Fourth Proportional to 5,385.40, 8,075.46 and 3,193.54

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Solution

The fourth proportional to 5,385.40, 8,075.46 and 3,193.54 is: 4,788.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.40 : 8,075.46 = 3,193.54 : x
  2. Step 2: Convert to fraction form
    5,385.40/8,075.46 = 3,193.54/x
  3. Step 3: Cross multiply
    5,385.40x = 8,075.46 × 3,193.54
  4. Step 4: Simplify right side
    5,385.40x = 25,789,304.53
  5. Step 5: Solve for x
    x = 25,789,304.53/5,385.40
  6. Step 6: Final answer
    x = 4,788.74

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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.