Home / 4,115.10-6,184.80-4,042.20

Finding the Fourth Proportional to 4,115.10, 6,184.80 and 4,042.20

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Solution

The fourth proportional to 4,115.10, 6,184.80 and 4,042.20 is: 6,075.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.10 : 6,184.80 = 4,042.20 : x
  2. Step 2: Convert to fraction form
    4,115.10/6,184.80 = 4,042.20/x
  3. Step 3: Cross multiply
    4,115.10x = 6,184.80 × 4,042.20
  4. Step 4: Simplify right side
    4,115.10x = 25,000,198.56
  5. Step 5: Solve for x
    x = 25,000,198.56/4,115.10
  6. Step 6: Final answer
    x = 6,075.23

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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.