Home / 6,814.20-9,405.41-4,125.45

Finding the Fourth Proportional to 6,814.20, 9,405.41 and 4,125.45

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Solution

The fourth proportional to 6,814.20, 9,405.41 and 4,125.45 is: 5,694.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,814.20 : 9,405.41 = 4,125.45 : x
  2. Step 2: Convert to fraction form
    6,814.20/9,405.41 = 4,125.45/x
  3. Step 3: Cross multiply
    6,814.20x = 9,405.41 × 4,125.45
  4. Step 4: Simplify right side
    6,814.20x = 38,801,528.06
  5. Step 5: Solve for x
    x = 38,801,528.06/6,814.20
  6. Step 6: Final answer
    x = 5,694.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.