Home / 7,384.78-10,191.12-4,241.68

Finding the Fourth Proportional to 7,384.78, 10,191.12 and 4,241.68

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Solution

The fourth proportional to 7,384.78, 10,191.12 and 4,241.68 is: 5,853.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.78 : 10,191.12 = 4,241.68 : x
  2. Step 2: Convert to fraction form
    7,384.78/10,191.12 = 4,241.68/x
  3. Step 3: Cross multiply
    7,384.78x = 10,191.12 × 4,241.68
  4. Step 4: Simplify right side
    7,384.78x = 43,227,469.88
  5. Step 5: Solve for x
    x = 43,227,469.88/7,384.78
  6. Step 6: Final answer
    x = 5,853.59

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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.