Home / 4,148.20-6,225.70-4,115.80

Finding the Fourth Proportional to 4,148.20, 6,225.70 and 4,115.80

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Solution

The fourth proportional to 4,148.20, 6,225.70 and 4,115.80 is: 6,177.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.20 : 6,225.70 = 4,115.80 : x
  2. Step 2: Convert to fraction form
    4,148.20/6,225.70 = 4,115.80/x
  3. Step 3: Cross multiply
    4,148.20x = 6,225.70 × 4,115.80
  4. Step 4: Simplify right side
    4,148.20x = 25,623,736.06
  5. Step 5: Solve for x
    x = 25,623,736.06/4,148.20
  6. Step 6: Final answer
    x = 6,177.07

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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.