Home / 6,121.64-9,182.62-1,962.08

Finding the Fourth Proportional to 6,121.64, 9,182.62 and 1,962.08

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Solution

The fourth proportional to 6,121.64, 9,182.62 and 1,962.08 is: 2,943.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.64 : 9,182.62 = 1,962.08 : x
  2. Step 2: Convert to fraction form
    6,121.64/9,182.62 = 1,962.08/x
  3. Step 3: Cross multiply
    6,121.64x = 9,182.62 × 1,962.08
  4. Step 4: Simplify right side
    6,121.64x = 18,017,035.05
  5. Step 5: Solve for x
    x = 18,017,035.05/6,121.64
  6. Step 6: Final answer
    x = 2,943.17

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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.