Home / 9,412.91-14,120.90-3,864.77

Finding the Fourth Proportional to 9,412.91, 14,120.90 and 3,864.77

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Solution

The fourth proportional to 9,412.91, 14,120.90 and 3,864.77 is: 5,797.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,412.91 : 14,120.90 = 3,864.77 : x
  2. Step 2: Convert to fraction form
    9,412.91/14,120.90 = 3,864.77/x
  3. Step 3: Cross multiply
    9,412.91x = 14,120.90 × 3,864.77
  4. Step 4: Simplify right side
    9,412.91x = 54,573,940.76
  5. Step 5: Solve for x
    x = 54,573,940.76/9,412.91
  6. Step 6: Final answer
    x = 5,797.78

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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.