Home / 10,379.56-15,569.20-4,829.80

Finding the Fourth Proportional to 10,379.56, 15,569.20 and 4,829.80

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Solution

The fourth proportional to 10,379.56, 15,569.20 and 4,829.80 is: 7,244.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.56 : 15,569.20 = 4,829.80 : x
  2. Step 2: Convert to fraction form
    10,379.56/15,569.20 = 4,829.80/x
  3. Step 3: Cross multiply
    10,379.56x = 15,569.20 × 4,829.80
  4. Step 4: Simplify right side
    10,379.56x = 75,196,122.16
  5. Step 5: Solve for x
    x = 75,196,122.16/10,379.56
  6. Step 6: Final answer
    x = 7,244.63

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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.