Home / 6,141.20-9,209.10-2,442.20

Finding the Fourth Proportional to 6,141.20, 9,209.10 and 2,442.20

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Solution

The fourth proportional to 6,141.20, 9,209.10 and 2,442.20 is: 3,662.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,141.20 : 9,209.10 = 2,442.20 : x
  2. Step 2: Convert to fraction form
    6,141.20/9,209.10 = 2,442.20/x
  3. Step 3: Cross multiply
    6,141.20x = 9,209.10 × 2,442.20
  4. Step 4: Simplify right side
    6,141.20x = 22,490,464.02
  5. Step 5: Solve for x
    x = 22,490,464.02/6,141.20
  6. Step 6: Final answer
    x = 3,662.23

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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.