Home / 7,421.69-10,241.91-4,234.97

Finding the Fourth Proportional to 7,421.69, 10,241.91 and 4,234.97

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Solution

The fourth proportional to 7,421.69, 10,241.91 and 4,234.97 is: 5,844.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.69 : 10,241.91 = 4,234.97 : x
  2. Step 2: Convert to fraction form
    7,421.69/10,241.91 = 4,234.97/x
  3. Step 3: Cross multiply
    7,421.69x = 10,241.91 × 4,234.97
  4. Step 4: Simplify right side
    7,421.69x = 43,374,207.20
  5. Step 5: Solve for x
    x = 43,374,207.20/7,421.69
  6. Step 6: Final answer
    x = 5,844.25

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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.