Home / 5,075.34-7,614.09-2,153.58

Finding the Fourth Proportional to 5,075.34, 7,614.09 and 2,153.58

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Solution

The fourth proportional to 5,075.34, 7,614.09 and 2,153.58 is: 3,230.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.34 : 7,614.09 = 2,153.58 : x
  2. Step 2: Convert to fraction form
    5,075.34/7,614.09 = 2,153.58/x
  3. Step 3: Cross multiply
    5,075.34x = 7,614.09 × 2,153.58
  4. Step 4: Simplify right side
    5,075.34x = 16,397,551.94
  5. Step 5: Solve for x
    x = 16,397,551.94/5,075.34
  6. Step 6: Final answer
    x = 3,230.83

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1.5x scale

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.