Home / 6,122.36-9,184.14-1,961.32

Finding the Fourth Proportional to 6,122.36, 9,184.14 and 1,961.32

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Solution

The fourth proportional to 6,122.36, 9,184.14 and 1,961.32 is: 2,942.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.36 : 9,184.14 = 1,961.32 : x
  2. Step 2: Convert to fraction form
    6,122.36/9,184.14 = 1,961.32/x
  3. Step 3: Cross multiply
    6,122.36x = 9,184.14 × 1,961.32
  4. Step 4: Simplify right side
    6,122.36x = 18,013,037.46
  5. Step 5: Solve for x
    x = 18,013,037.46/6,122.36
  6. Step 6: Final answer
    x = 2,942.17

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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.