Home / 10,405.44-15,605.33-4,853.30

Finding the Fourth Proportional to 10,405.44, 15,605.33 and 4,853.30

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Solution

The fourth proportional to 10,405.44, 15,605.33 and 4,853.30 is: 7,278.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,405.44 : 15,605.33 = 4,853.30 : x
  2. Step 2: Convert to fraction form
    10,405.44/15,605.33 = 4,853.30/x
  3. Step 3: Cross multiply
    10,405.44x = 15,605.33 × 4,853.30
  4. Step 4: Simplify right side
    10,405.44x = 75,737,245.80
  5. Step 5: Solve for x
    x = 75,737,245.80/10,405.44
  6. Step 6: Final answer
    x = 7,278.62

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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.