Home / 6,145.44-9,221.40-2,685.12

Finding the Fourth Proportional to 6,145.44, 9,221.40 and 2,685.12

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Solution

The fourth proportional to 6,145.44, 9,221.40 and 2,685.12 is: 4,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.44 : 9,221.40 = 2,685.12 : x
  2. Step 2: Convert to fraction form
    6,145.44/9,221.40 = 2,685.12/x
  3. Step 3: Cross multiply
    6,145.44x = 9,221.40 × 2,685.12
  4. Step 4: Simplify right side
    6,145.44x = 24,760,565.57
  5. Step 5: Solve for x
    x = 24,760,565.57/6,145.44
  6. Step 6: Final answer
    x = 4,029.10

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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.