Home / 5,075.37-7,005.78-3,396.02

Finding the Fourth Proportional to 5,075.37, 7,005.78 and 3,396.02

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Solution

The fourth proportional to 5,075.37, 7,005.78 and 3,396.02 is: 4,687.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.37 : 7,005.78 = 3,396.02 : x
  2. Step 2: Convert to fraction form
    5,075.37/7,005.78 = 3,396.02/x
  3. Step 3: Cross multiply
    5,075.37x = 7,005.78 × 3,396.02
  4. Step 4: Simplify right side
    5,075.37x = 23,791,733.97
  5. Step 5: Solve for x
    x = 23,791,733.97/5,075.37
  6. Step 6: Final answer
    x = 4,687.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.