Home / 7,902.41-11,845.10-4,200.91

Finding the Fourth Proportional to 7,902.41, 11,845.10 and 4,200.91

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Solution

The fourth proportional to 7,902.41, 11,845.10 and 4,200.91 is: 6,296.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,902.41 : 11,845.10 = 4,200.91 : x
  2. Step 2: Convert to fraction form
    7,902.41/11,845.10 = 4,200.91/x
  3. Step 3: Cross multiply
    7,902.41x = 11,845.10 × 4,200.91
  4. Step 4: Simplify right side
    7,902.41x = 49,760,199.04
  5. Step 5: Solve for x
    x = 49,760,199.04/7,902.41
  6. Step 6: Final answer
    x = 6,296.84

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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.