Home / 5,382.13-8,075.28-2,608.60

Finding the Fourth Proportional to 5,382.13, 8,075.28 and 2,608.60

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Solution

The fourth proportional to 5,382.13, 8,075.28 and 2,608.60 is: 3,913.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.13 : 8,075.28 = 2,608.60 : x
  2. Step 2: Convert to fraction form
    5,382.13/8,075.28 = 2,608.60/x
  3. Step 3: Cross multiply
    5,382.13x = 8,075.28 × 2,608.60
  4. Step 4: Simplify right side
    5,382.13x = 21,065,175.41
  5. Step 5: Solve for x
    x = 21,065,175.41/5,382.13
  6. Step 6: Final answer
    x = 3,913.91

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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.