Home / 7,325.50-10,109.19-4,181.62

Finding the Fourth Proportional to 7,325.50, 10,109.19 and 4,181.62

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Solution

The fourth proportional to 7,325.50, 10,109.19 and 4,181.62 is: 5,770.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.50 : 10,109.19 = 4,181.62 : x
  2. Step 2: Convert to fraction form
    7,325.50/10,109.19 = 4,181.62/x
  3. Step 3: Cross multiply
    7,325.50x = 10,109.19 × 4,181.62
  4. Step 4: Simplify right side
    7,325.50x = 42,272,791.09
  5. Step 5: Solve for x
    x = 42,272,791.09/7,325.50
  6. Step 6: Final answer
    x = 5,770.64

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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.