Home / 4,075.11-6,105.78-2,613.47

Finding the Fourth Proportional to 4,075.11, 6,105.78 and 2,613.47

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Solution

The fourth proportional to 4,075.11, 6,105.78 and 2,613.47 is: 3,915.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.11 : 6,105.78 = 2,613.47 : x
  2. Step 2: Convert to fraction form
    4,075.11/6,105.78 = 2,613.47/x
  3. Step 3: Cross multiply
    4,075.11x = 6,105.78 × 2,613.47
  4. Step 4: Simplify right side
    4,075.11x = 15,957,242.33
  5. Step 5: Solve for x
    x = 15,957,242.33/4,075.11
  6. Step 6: Final answer
    x = 3,915.78

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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.