Home / 9,785.36-14,679.86-3,213.42

Finding the Fourth Proportional to 9,785.36, 14,679.86 and 3,213.42

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Solution

The fourth proportional to 9,785.36, 14,679.86 and 3,213.42 is: 4,820.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,785.36 : 14,679.86 = 3,213.42 : x
  2. Step 2: Convert to fraction form
    9,785.36/14,679.86 = 3,213.42/x
  3. Step 3: Cross multiply
    9,785.36x = 14,679.86 × 3,213.42
  4. Step 4: Simplify right side
    9,785.36x = 47,172,555.72
  5. Step 5: Solve for x
    x = 47,172,555.72/9,785.36
  6. Step 6: Final answer
    x = 4,820.73

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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.