Home / 6,105.80-9,158.70-2,825.30

Finding the Fourth Proportional to 6,105.80, 9,158.70 and 2,825.30

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Solution

The fourth proportional to 6,105.80, 9,158.70 and 2,825.30 is: 4,237.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,105.80 : 9,158.70 = 2,825.30 : x
  2. Step 2: Convert to fraction form
    6,105.80/9,158.70 = 2,825.30/x
  3. Step 3: Cross multiply
    6,105.80x = 9,158.70 × 2,825.30
  4. Step 4: Simplify right side
    6,105.80x = 25,876,075.11
  5. Step 5: Solve for x
    x = 25,876,075.11/6,105.80
  6. Step 6: Final answer
    x = 4,237.95

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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.