Home / 9,405.91-14,106.84-3,853.90

Finding the Fourth Proportional to 9,405.91, 14,106.84 and 3,853.90

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Solution

The fourth proportional to 9,405.91, 14,106.84 and 3,853.90 is: 5,780.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405.91 : 14,106.84 = 3,853.90 : x
  2. Step 2: Convert to fraction form
    9,405.91/14,106.84 = 3,853.90/x
  3. Step 3: Cross multiply
    9,405.91x = 14,106.84 × 3,853.90
  4. Step 4: Simplify right side
    9,405.91x = 54,366,350.68
  5. Step 5: Solve for x
    x = 54,366,350.68/9,405.91
  6. Step 6: Final answer
    x = 5,780.02

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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.