Home / 8,757.84-13,136.62-4,075.23

Finding the Fourth Proportional to 8,757.84, 13,136.62 and 4,075.23

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Solution

The fourth proportional to 8,757.84, 13,136.62 and 4,075.23 is: 6,112.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,757.84 : 13,136.62 = 4,075.23 : x
  2. Step 2: Convert to fraction form
    8,757.84/13,136.62 = 4,075.23/x
  3. Step 3: Cross multiply
    8,757.84x = 13,136.62 × 4,075.23
  4. Step 4: Simplify right side
    8,757.84x = 53,534,747.92
  5. Step 5: Solve for x
    x = 53,534,747.92/8,757.84
  6. Step 6: Final answer
    x = 6,112.78

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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.