Home / 10,389.26-15,586.22-4,839.75

Finding the Fourth Proportional to 10,389.26, 15,586.22 and 4,839.75

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Solution

The fourth proportional to 10,389.26, 15,586.22 and 4,839.75 is: 7,260.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389.26 : 15,586.22 = 4,839.75 : x
  2. Step 2: Convert to fraction form
    10,389.26/15,586.22 = 4,839.75/x
  3. Step 3: Cross multiply
    10,389.26x = 15,586.22 × 4,839.75
  4. Step 4: Simplify right side
    10,389.26x = 75,433,420.34
  5. Step 5: Solve for x
    x = 75,433,420.34/10,389.26
  6. Step 6: Final answer
    x = 7,260.71

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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.