Home / 4,075.65-6,113.51-2,131.65

Finding the Fourth Proportional to 4,075.65, 6,113.51 and 2,131.65

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Solution

The fourth proportional to 4,075.65, 6,113.51 and 2,131.65 is: 3,197.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.65 : 6,113.51 = 2,131.65 : x
  2. Step 2: Convert to fraction form
    4,075.65/6,113.51 = 2,131.65/x
  3. Step 3: Cross multiply
    4,075.65x = 6,113.51 × 2,131.65
  4. Step 4: Simplify right side
    4,075.65x = 13,031,860.93
  5. Step 5: Solve for x
    x = 13,031,860.93/4,075.65
  6. Step 6: Final answer
    x = 3,197.49

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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.