Home / 10,349.26-15,511.72-4,790.86

Finding the Fourth Proportional to 10,349.26, 15,511.72 and 4,790.86

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Solution

The fourth proportional to 10,349.26, 15,511.72 and 4,790.86 is: 7,180.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,349.26 : 15,511.72 = 4,790.86 : x
  2. Step 2: Convert to fraction form
    10,349.26/15,511.72 = 4,790.86/x
  3. Step 3: Cross multiply
    10,349.26x = 15,511.72 × 4,790.86
  4. Step 4: Simplify right side
    10,349.26x = 74,314,478.88
  5. Step 5: Solve for x
    x = 74,314,478.88/10,349.26
  6. Step 6: Final answer
    x = 7,180.66

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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.