Home / 8,075.40-12,115.50-2,529.33

Finding the Fourth Proportional to 8,075.40, 12,115.50 and 2,529.33

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Solution

The fourth proportional to 8,075.40, 12,115.50 and 2,529.33 is: 3,794.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.40 : 12,115.50 = 2,529.33 : x
  2. Step 2: Convert to fraction form
    8,075.40/12,115.50 = 2,529.33/x
  3. Step 3: Cross multiply
    8,075.40x = 12,115.50 × 2,529.33
  4. Step 4: Simplify right side
    8,075.40x = 30,644,097.62
  5. Step 5: Solve for x
    x = 30,644,097.62/8,075.40
  6. Step 6: Final answer
    x = 3,794.75

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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.