Home / 4,075.61-6,113.41-2,131.61

Finding the Fourth Proportional to 4,075.61, 6,113.41 and 2,131.61

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Solution

The fourth proportional to 4,075.61, 6,113.41 and 2,131.61 is: 3,197.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.61 : 6,113.41 = 2,131.61 : x
  2. Step 2: Convert to fraction form
    4,075.61/6,113.41 = 2,131.61/x
  3. Step 3: Cross multiply
    4,075.61x = 6,113.41 × 2,131.61
  4. Step 4: Simplify right side
    4,075.61x = 13,031,369.99
  5. Step 5: Solve for x
    x = 13,031,369.99/4,075.61
  6. Step 6: Final answer
    x = 3,197.41

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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.