Home / 6,906.60-10,359.90-4,141.80

Finding the Fourth Proportional to 6,906.60, 10,359.90 and 4,141.80

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Solution

The fourth proportional to 6,906.60, 10,359.90 and 4,141.80 is: 6,212.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,906.60 : 10,359.90 = 4,141.80 : x
  2. Step 2: Convert to fraction form
    6,906.60/10,359.90 = 4,141.80/x
  3. Step 3: Cross multiply
    6,906.60x = 10,359.90 × 4,141.80
  4. Step 4: Simplify right side
    6,906.60x = 42,908,633.82
  5. Step 5: Solve for x
    x = 42,908,633.82/6,906.60
  6. Step 6: Final answer
    x = 6,212.70

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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.