Home / 5,075.97-7,614.57-1,788.39

Finding the Fourth Proportional to 5,075.97, 7,614.57 and 1,788.39

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Solution

The fourth proportional to 5,075.97, 7,614.57 and 1,788.39 is: 2,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.97 : 7,614.57 = 1,788.39 : x
  2. Step 2: Convert to fraction form
    5,075.97/7,614.57 = 1,788.39/x
  3. Step 3: Cross multiply
    5,075.97x = 7,614.57 × 1,788.39
  4. Step 4: Simplify right side
    5,075.97x = 13,617,820.84
  5. Step 5: Solve for x
    x = 13,617,820.84/5,075.97
  6. Step 6: Final answer
    x = 2,682.80

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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.